Home / 38,747.79-58,114.02-10,660.59

Finding the Fourth Proportional to 38,747.79, 58,114.02 and 10,660.59

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Solution

The fourth proportional to 38,747.79, 58,114.02 and 10,660.59 is: 15,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.79 : 58,114.02 = 10,660.59 : x
  2. Step 2: Convert to fraction form
    38,747.79/58,114.02 = 10,660.59/x
  3. Step 3: Cross multiply
    38,747.79x = 58,114.02 × 10,660.59
  4. Step 4: Simplify right side
    38,747.79x = 619,529,740.47
  5. Step 5: Solve for x
    x = 619,529,740.47/38,747.79
  6. Step 6: Final answer
    x = 15,988.78

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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.