Home / 31,880.74-44,000.76-18,449.68

Finding the Fourth Proportional to 31,880.74, 44,000.76 and 18,449.68

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Solution

The fourth proportional to 31,880.74, 44,000.76 and 18,449.68 is: 25,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,880.74 : 44,000.76 = 18,449.68 : x
  2. Step 2: Convert to fraction form
    31,880.74/44,000.76 = 18,449.68/x
  3. Step 3: Cross multiply
    31,880.74x = 44,000.76 × 18,449.68
  4. Step 4: Simplify right side
    31,880.74x = 811,799,941.76
  5. Step 5: Solve for x
    x = 811,799,941.76/31,880.74
  6. Step 6: Final answer
    x = 25,463.65

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Half scale
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Double scale
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Similar ratio
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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.