Home / 31,606.08-47,393.19-10,538.79

Finding the Fourth Proportional to 31,606.08, 47,393.19 and 10,538.79

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Solution

The fourth proportional to 31,606.08, 47,393.19 and 10,538.79 is: 15,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,606.08 : 47,393.19 = 10,538.79 : x
  2. Step 2: Convert to fraction form
    31,606.08/47,393.19 = 10,538.79/x
  3. Step 3: Cross multiply
    31,606.08x = 47,393.19 × 10,538.79
  4. Step 4: Simplify right side
    31,606.08x = 499,466,876.84
  5. Step 5: Solve for x
    x = 499,466,876.84/31,606.08
  6. Step 6: Final answer
    x = 15,802.87

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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.