Home / 31,785.13-47,678.04-9,598.70

Finding the Fourth Proportional to 31,785.13, 47,678.04 and 9,598.70

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Solution

The fourth proportional to 31,785.13, 47,678.04 and 9,598.70 is: 14,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,785.13 : 47,678.04 = 9,598.70 : x
  2. Step 2: Convert to fraction form
    31,785.13/47,678.04 = 9,598.70/x
  3. Step 3: Cross multiply
    31,785.13x = 47,678.04 × 9,598.70
  4. Step 4: Simplify right side
    31,785.13x = 457,646,916.16
  5. Step 5: Solve for x
    x = 457,646,916.16/31,785.13
  6. Step 6: Final answer
    x = 14,398.15

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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.