Home / 31,731.84-47,609.28-25,925.76

Finding the Fourth Proportional to 31,731.84, 47,609.28 and 25,925.76

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Solution

The fourth proportional to 31,731.84, 47,609.28 and 25,925.76 is: 38,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.84 : 47,609.28 = 25,925.76 : x
  2. Step 2: Convert to fraction form
    31,731.84/47,609.28 = 25,925.76/x
  3. Step 3: Cross multiply
    31,731.84x = 47,609.28 × 25,925.76
  4. Step 4: Simplify right side
    31,731.84x = 1,234,306,767.05
  5. Step 5: Solve for x
    x = 1,234,306,767.05/31,731.84
  6. Step 6: Final answer
    x = 38,898.05

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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.