Home / 42,089.34-63,170.90-17,129.28

Finding the Fourth Proportional to 42,089.34, 63,170.90 and 17,129.28

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Solution

The fourth proportional to 42,089.34, 63,170.90 and 17,129.28 is: 25,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,089.34 : 63,170.90 = 17,129.28 : x
  2. Step 2: Convert to fraction form
    42,089.34/63,170.90 = 17,129.28/x
  3. Step 3: Cross multiply
    42,089.34x = 63,170.90 × 17,129.28
  4. Step 4: Simplify right side
    42,089.34x = 1,082,072,033.95
  5. Step 5: Solve for x
    x = 1,082,072,033.95/42,089.34
  6. Step 6: Final answer
    x = 25,708.93

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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.