Home / 62,731.56-86,571.78-34,439.40

Finding the Fourth Proportional to 62,731.56, 86,571.78 and 34,439.40

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Solution

The fourth proportional to 62,731.56, 86,571.78 and 34,439.40 is: 47,527.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,731.56 : 86,571.78 = 34,439.40 : x
  2. Step 2: Convert to fraction form
    62,731.56/86,571.78 = 34,439.40/x
  3. Step 3: Cross multiply
    62,731.56x = 86,571.78 × 34,439.40
  4. Step 4: Simplify right side
    62,731.56x = 2,981,480,160.13
  5. Step 5: Solve for x
    x = 2,981,480,160.13/62,731.56
  6. Step 6: Final answer
    x = 47,527.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.