Home / 31,987.14-44,139.18-17,840.90

Finding the Fourth Proportional to 31,987.14, 44,139.18 and 17,840.90

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Solution

The fourth proportional to 31,987.14, 44,139.18 and 17,840.90 is: 24,618.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,987.14 : 44,139.18 = 17,840.90 : x
  2. Step 2: Convert to fraction form
    31,987.14/44,139.18 = 17,840.90/x
  3. Step 3: Cross multiply
    31,987.14x = 44,139.18 × 17,840.90
  4. Step 4: Simplify right side
    31,987.14x = 787,482,696.46
  5. Step 5: Solve for x
    x = 787,482,696.46/31,987.14
  6. Step 6: Final answer
    x = 24,618.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.