Home / 39,344.13-54,295.92-21,440.35

Finding the Fourth Proportional to 39,344.13, 54,295.92 and 21,440.35

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Solution

The fourth proportional to 39,344.13, 54,295.92 and 21,440.35 is: 29,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,344.13 : 54,295.92 = 21,440.35 : x
  2. Step 2: Convert to fraction form
    39,344.13/54,295.92 = 21,440.35/x
  3. Step 3: Cross multiply
    39,344.13x = 54,295.92 × 21,440.35
  4. Step 4: Simplify right side
    39,344.13x = 1,164,123,290.83
  5. Step 5: Solve for x
    x = 1,164,123,290.83/39,344.13
  6. Step 6: Final answer
    x = 29,588.23

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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.