Home / 62,432.70-86,099.40-42,318.78

Finding the Fourth Proportional to 62,432.70, 86,099.40 and 42,318.78

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Solution

The fourth proportional to 62,432.70, 86,099.40 and 42,318.78 is: 58,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,432.70 : 86,099.40 = 42,318.78 : x
  2. Step 2: Convert to fraction form
    62,432.70/86,099.40 = 42,318.78/x
  3. Step 3: Cross multiply
    62,432.70x = 86,099.40 × 42,318.78
  4. Step 4: Simplify right side
    62,432.70x = 3,643,621,566.73
  5. Step 5: Solve for x
    x = 3,643,621,566.73/62,432.70
  6. Step 6: Final answer
    x = 58,360.79

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1.5x scale

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.