Home / 31,646.84-43,670.90-17,498.76

Finding the Fourth Proportional to 31,646.84, 43,670.90 and 17,498.76

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Solution

The fourth proportional to 31,646.84, 43,670.90 and 17,498.76 is: 24,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,646.84 : 43,670.90 = 17,498.76 : x
  2. Step 2: Convert to fraction form
    31,646.84/43,670.90 = 17,498.76/x
  3. Step 3: Cross multiply
    31,646.84x = 43,670.90 × 17,498.76
  4. Step 4: Simplify right side
    31,646.84x = 764,186,598.08
  5. Step 5: Solve for x
    x = 764,186,598.08/31,646.84
  6. Step 6: Final answer
    x = 24,147.33

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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.