Home / 38,747.42-58,114.31-10,660.70

Finding the Fourth Proportional to 38,747.42, 58,114.31 and 10,660.70

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Solution

The fourth proportional to 38,747.42, 58,114.31 and 10,660.70 is: 15,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.42 : 58,114.31 = 10,660.70 : x
  2. Step 2: Convert to fraction form
    38,747.42/58,114.31 = 10,660.70/x
  3. Step 3: Cross multiply
    38,747.42x = 58,114.31 × 10,660.70
  4. Step 4: Simplify right side
    38,747.42x = 619,538,880.74
  5. Step 5: Solve for x
    x = 619,538,880.74/38,747.42
  6. Step 6: Final answer
    x = 15,989.17

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1.5x scale

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.