Home / 40,720.67-61,058.80-12,253.47

Finding the Fourth Proportional to 40,720.67, 61,058.80 and 12,253.47

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Solution

The fourth proportional to 40,720.67, 61,058.80 and 12,253.47 is: 18,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,720.67 : 61,058.80 = 12,253.47 : x
  2. Step 2: Convert to fraction form
    40,720.67/61,058.80 = 12,253.47/x
  3. Step 3: Cross multiply
    40,720.67x = 61,058.80 × 12,253.47
  4. Step 4: Simplify right side
    40,720.67x = 748,182,174.04
  5. Step 5: Solve for x
    x = 748,182,174.04/40,720.67
  6. Step 6: Final answer
    x = 18,373.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.