Home / 42,000.63-63,001.41-17,981.70

Finding the Fourth Proportional to 42,000.63, 63,001.41 and 17,981.70

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Solution

The fourth proportional to 42,000.63, 63,001.41 and 17,981.70 is: 26,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,000.63 : 63,001.41 = 17,981.70 : x
  2. Step 2: Convert to fraction form
    42,000.63/63,001.41 = 17,981.70/x
  3. Step 3: Cross multiply
    42,000.63x = 63,001.41 × 17,981.70
  4. Step 4: Simplify right side
    42,000.63x = 1,132,872,454.20
  5. Step 5: Solve for x
    x = 1,132,872,454.20/42,000.63
  6. Step 6: Final answer
    x = 26,972.75

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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.