Home / 53,391.13-73,681.30-29,519.35

Finding the Fourth Proportional to 53,391.13, 73,681.30 and 29,519.35

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Solution

The fourth proportional to 53,391.13, 73,681.30 and 29,519.35 is: 40,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,391.13 : 73,681.30 = 29,519.35 : x
  2. Step 2: Convert to fraction form
    53,391.13/73,681.30 = 29,519.35/x
  3. Step 3: Cross multiply
    53,391.13x = 73,681.30 × 29,519.35
  4. Step 4: Simplify right side
    53,391.13x = 2,175,024,083.16
  5. Step 5: Solve for x
    x = 2,175,024,083.16/53,391.13
  6. Step 6: Final answer
    x = 40,737.55

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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.