Home / 39,343.28-54,293.96-23,428.40

Finding the Fourth Proportional to 39,343.28, 54,293.96 and 23,428.40

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Solution

The fourth proportional to 39,343.28, 54,293.96 and 23,428.40 is: 32,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,343.28 : 54,293.96 = 23,428.40 : x
  2. Step 2: Convert to fraction form
    39,343.28/54,293.96 = 23,428.40/x
  3. Step 3: Cross multiply
    39,343.28x = 54,293.96 × 23,428.40
  4. Step 4: Simplify right side
    39,343.28x = 1,272,020,399.57
  5. Step 5: Solve for x
    x = 1,272,020,399.57/39,343.28
  6. Step 6: Final answer
    x = 32,331.33

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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.