Home / 53,002.23-73,144.13-29,129.91

Finding the Fourth Proportional to 53,002.23, 73,144.13 and 29,129.91

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Solution

The fourth proportional to 53,002.23, 73,144.13 and 29,129.91 is: 40,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,002.23 : 73,144.13 = 29,129.91 : x
  2. Step 2: Convert to fraction form
    53,002.23/73,144.13 = 29,129.91/x
  3. Step 3: Cross multiply
    53,002.23x = 73,144.13 × 29,129.91
  4. Step 4: Simplify right side
    53,002.23x = 2,130,681,778.28
  5. Step 5: Solve for x
    x = 2,130,681,778.28/53,002.23
  6. Step 6: Final answer
    x = 40,199.85

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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.