Home / 31,654.32-47,497.68-12,948.18

Finding the Fourth Proportional to 31,654.32, 47,497.68 and 12,948.18

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Solution

The fourth proportional to 31,654.32, 47,497.68 and 12,948.18 is: 19,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654.32 : 47,497.68 = 12,948.18 : x
  2. Step 2: Convert to fraction form
    31,654.32/47,497.68 = 12,948.18/x
  3. Step 3: Cross multiply
    31,654.32x = 47,497.68 × 12,948.18
  4. Step 4: Simplify right side
    31,654.32x = 615,008,510.22
  5. Step 5: Solve for x
    x = 615,008,510.22/31,654.32
  6. Step 6: Final answer
    x = 19,428.90

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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.