Home / 39,402.60-59,104.68-21,983.28

Finding the Fourth Proportional to 39,402.60, 59,104.68 and 21,983.28

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Solution

The fourth proportional to 39,402.60, 59,104.68 and 21,983.28 is: 32,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,402.60 : 59,104.68 = 21,983.28 : x
  2. Step 2: Convert to fraction form
    39,402.60/59,104.68 = 21,983.28/x
  3. Step 3: Cross multiply
    39,402.60x = 59,104.68 × 21,983.28
  4. Step 4: Simplify right side
    39,402.60x = 1,299,314,729.75
  5. Step 5: Solve for x
    x = 1,299,314,729.75/39,402.60
  6. Step 6: Final answer
    x = 32,975.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.