Home / 40,709.62-56,178.44-22,560.19

Finding the Fourth Proportional to 40,709.62, 56,178.44 and 22,560.19

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Solution

The fourth proportional to 40,709.62, 56,178.44 and 22,560.19 is: 31,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,709.62 : 56,178.44 = 22,560.19 : x
  2. Step 2: Convert to fraction form
    40,709.62/56,178.44 = 22,560.19/x
  3. Step 3: Cross multiply
    40,709.62x = 56,178.44 × 22,560.19
  4. Step 4: Simplify right side
    40,709.62x = 1,267,396,280.30
  5. Step 5: Solve for x
    x = 1,267,396,280.30/40,709.62
  6. Step 6: Final answer
    x = 31,132.60

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Half scale
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Double scale
Find fourth proportional to 40,710.62, 56,179.82 and 22,561.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.