Home / 42,642.47-63,963.85-13,060.17

Finding the Fourth Proportional to 42,642.47, 63,963.85 and 13,060.17

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Solution

The fourth proportional to 42,642.47, 63,963.85 and 13,060.17 is: 19,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,642.47 : 63,963.85 = 13,060.17 : x
  2. Step 2: Convert to fraction form
    42,642.47/63,963.85 = 13,060.17/x
  3. Step 3: Cross multiply
    42,642.47x = 63,963.85 × 13,060.17
  4. Step 4: Simplify right side
    42,642.47x = 835,378,754.85
  5. Step 5: Solve for x
    x = 835,378,754.85/42,642.47
  6. Step 6: Final answer
    x = 19,590.30

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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.