Home / 38,747.64-58,113.80-10,660.48

Finding the Fourth Proportional to 38,747.64, 58,113.80 and 10,660.48

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Solution

The fourth proportional to 38,747.64, 58,113.80 and 10,660.48 is: 15,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.64 : 58,113.80 = 10,660.48 : x
  2. Step 2: Convert to fraction form
    38,747.64/58,113.80 = 10,660.48/x
  3. Step 3: Cross multiply
    38,747.64x = 58,113.80 × 10,660.48
  4. Step 4: Simplify right side
    38,747.64x = 619,521,002.62
  5. Step 5: Solve for x
    x = 619,521,002.62/38,747.64
  6. Step 6: Final answer
    x = 15,988.61

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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.