Home / 37,987.13-56,981.42-11,691.84

Finding the Fourth Proportional to 37,987.13, 56,981.42 and 11,691.84

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Solution

The fourth proportional to 37,987.13, 56,981.42 and 11,691.84 is: 17,537.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,987.13 : 56,981.42 = 11,691.84 : x
  2. Step 2: Convert to fraction form
    37,987.13/56,981.42 = 11,691.84/x
  3. Step 3: Cross multiply
    37,987.13x = 56,981.42 × 11,691.84
  4. Step 4: Simplify right side
    37,987.13x = 666,217,910.44
  5. Step 5: Solve for x
    x = 666,217,910.44/37,987.13
  6. Step 6: Final answer
    x = 17,537.99

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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.