Home / 30,589.44-42,217.72-22,118.92

Finding the Fourth Proportional to 30,589.44, 42,217.72 and 22,118.92

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Solution

The fourth proportional to 30,589.44, 42,217.72 and 22,118.92 is: 30,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,589.44 : 42,217.72 = 22,118.92 : x
  2. Step 2: Convert to fraction form
    30,589.44/42,217.72 = 22,118.92/x
  3. Step 3: Cross multiply
    30,589.44x = 42,217.72 × 22,118.92
  4. Step 4: Simplify right side
    30,589.44x = 933,810,371.26
  5. Step 5: Solve for x
    x = 933,810,371.26/30,589.44
  6. Step 6: Final answer
    x = 30,527.21

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Half scale
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Double scale
Find fourth proportional to 30,590.44, 42,219.10 and 22,119.92
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.