Home / 42,108.81-63,126.07-17,169.72

Finding the Fourth Proportional to 42,108.81, 63,126.07 and 17,169.72

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Solution

The fourth proportional to 42,108.81, 63,126.07 and 17,169.72 is: 25,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,108.81 : 63,126.07 = 17,169.72 : x
  2. Step 2: Convert to fraction form
    42,108.81/63,126.07 = 17,169.72/x
  3. Step 3: Cross multiply
    42,108.81x = 63,126.07 × 17,169.72
  4. Step 4: Simplify right side
    42,108.81x = 1,083,856,666.95
  5. Step 5: Solve for x
    x = 1,083,856,666.95/42,108.81
  6. Step 6: Final answer
    x = 25,739.43

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1.5x scale

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.