Home / 31,902.08-47,857.50-10,836.47

Finding the Fourth Proportional to 31,902.08, 47,857.50 and 10,836.47

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Solution

The fourth proportional to 31,902.08, 47,857.50 and 10,836.47 is: 16,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,902.08 : 47,857.50 = 10,836.47 : x
  2. Step 2: Convert to fraction form
    31,902.08/47,857.50 = 10,836.47/x
  3. Step 3: Cross multiply
    31,902.08x = 47,857.50 × 10,836.47
  4. Step 4: Simplify right side
    31,902.08x = 518,606,123.74
  5. Step 5: Solve for x
    x = 518,606,123.74/31,902.08
  6. Step 6: Final answer
    x = 16,256.19

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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.