Home / 39,128.49-53,996.90-22,132.46

Finding the Fourth Proportional to 39,128.49, 53,996.90 and 22,132.46

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Solution

The fourth proportional to 39,128.49, 53,996.90 and 22,132.46 is: 30,542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,128.49 : 53,996.90 = 22,132.46 : x
  2. Step 2: Convert to fraction form
    39,128.49/53,996.90 = 22,132.46/x
  3. Step 3: Cross multiply
    39,128.49x = 53,996.90 × 22,132.46
  4. Step 4: Simplify right side
    39,128.49x = 1,195,084,253.70
  5. Step 5: Solve for x
    x = 1,195,084,253.70/39,128.49
  6. Step 6: Final answer
    x = 30,542.56

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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.