Home / 42,000.88-63,001.79-17,981.95

Finding the Fourth Proportional to 42,000.88, 63,001.79 and 17,981.95

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Solution

The fourth proportional to 42,000.88, 63,001.79 and 17,981.95 is: 26,973.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,000.88 : 63,001.79 = 17,981.95 : x
  2. Step 2: Convert to fraction form
    42,000.88/63,001.79 = 17,981.95/x
  3. Step 3: Cross multiply
    42,000.88x = 63,001.79 × 17,981.95
  4. Step 4: Simplify right side
    42,000.88x = 1,132,894,632.77
  5. Step 5: Solve for x
    x = 1,132,894,632.77/42,000.88
  6. Step 6: Final answer
    x = 26,973.12

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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.