Home / 42,188.85-63,290.57-17,242.47

Finding the Fourth Proportional to 42,188.85, 63,290.57 and 17,242.47

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Solution

The fourth proportional to 42,188.85, 63,290.57 and 17,242.47 is: 25,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,188.85 : 63,290.57 = 17,242.47 : x
  2. Step 2: Convert to fraction form
    42,188.85/63,290.57 = 17,242.47/x
  3. Step 3: Cross multiply
    42,188.85x = 63,290.57 × 17,242.47
  4. Step 4: Simplify right side
    42,188.85x = 1,091,285,668.30
  5. Step 5: Solve for x
    x = 1,091,285,668.30/42,188.85
  6. Step 6: Final answer
    x = 25,866.68

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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.