Home / 31,754.16-47,621.68-19,925.88

Finding the Fourth Proportional to 31,754.16, 47,621.68 and 19,925.88

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Solution

The fourth proportional to 31,754.16, 47,621.68 and 19,925.88 is: 29,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,754.16 : 47,621.68 = 19,925.88 : x
  2. Step 2: Convert to fraction form
    31,754.16/47,621.68 = 19,925.88/x
  3. Step 3: Cross multiply
    31,754.16x = 47,621.68 × 19,925.88
  4. Step 4: Simplify right side
    31,754.16x = 948,903,881.08
  5. Step 5: Solve for x
    x = 948,903,881.08/31,754.16
  6. Step 6: Final answer
    x = 29,882.82

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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.