Home / 42,372.56-63,559.20-10,782.66

Finding the Fourth Proportional to 42,372.56, 63,559.20 and 10,782.66

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Solution

The fourth proportional to 42,372.56, 63,559.20 and 10,782.66 is: 16,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,372.56 : 63,559.20 = 10,782.66 : x
  2. Step 2: Convert to fraction form
    42,372.56/63,559.20 = 10,782.66/x
  3. Step 3: Cross multiply
    42,372.56x = 63,559.20 × 10,782.66
  4. Step 4: Simplify right side
    42,372.56x = 685,337,243.47
  5. Step 5: Solve for x
    x = 685,337,243.47/42,372.56
  6. Step 6: Final answer
    x = 16,174.08

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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.