Home / 40,187.40-55,459.08-22,282.62

Finding the Fourth Proportional to 40,187.40, 55,459.08 and 22,282.62

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Solution

The fourth proportional to 40,187.40, 55,459.08 and 22,282.62 is: 30,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,187.40 : 55,459.08 = 22,282.62 : x
  2. Step 2: Convert to fraction form
    40,187.40/55,459.08 = 22,282.62/x
  3. Step 3: Cross multiply
    40,187.40x = 55,459.08 × 22,282.62
  4. Step 4: Simplify right side
    40,187.40x = 1,235,773,605.19
  5. Step 5: Solve for x
    x = 1,235,773,605.19/40,187.40
  6. Step 6: Final answer
    x = 30,750.28

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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.