Home / 38,510.40-53,128.56-29,542.08

Finding the Fourth Proportional to 38,510.40, 53,128.56 and 29,542.08

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Solution

The fourth proportional to 38,510.40, 53,128.56 and 29,542.08 is: 40,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,510.40 : 53,128.56 = 29,542.08 : x
  2. Step 2: Convert to fraction form
    38,510.40/53,128.56 = 29,542.08/x
  3. Step 3: Cross multiply
    38,510.40x = 53,128.56 × 29,542.08
  4. Step 4: Simplify right side
    38,510.40x = 1,569,528,169.80
  5. Step 5: Solve for x
    x = 1,569,528,169.80/38,510.40
  6. Step 6: Final answer
    x = 40,755.96

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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.