Home / 39,242.22-54,154.40-21,337.17

Finding the Fourth Proportional to 39,242.22, 54,154.40 and 21,337.17

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Solution

The fourth proportional to 39,242.22, 54,154.40 and 21,337.17 is: 29,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,242.22 : 54,154.40 = 21,337.17 : x
  2. Step 2: Convert to fraction form
    39,242.22/54,154.40 = 21,337.17/x
  3. Step 3: Cross multiply
    39,242.22x = 54,154.40 × 21,337.17
  4. Step 4: Simplify right side
    39,242.22x = 1,155,501,532.36
  5. Step 5: Solve for x
    x = 1,155,501,532.36/39,242.22
  6. Step 6: Final answer
    x = 29,445.37

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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.