Home / 62,133.18-85,759.24-38,280.30

Finding the Fourth Proportional to 62,133.18, 85,759.24 and 38,280.30

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Solution

The fourth proportional to 62,133.18, 85,759.24 and 38,280.30 is: 52,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,133.18 : 85,759.24 = 38,280.30 : x
  2. Step 2: Convert to fraction form
    62,133.18/85,759.24 = 38,280.30/x
  3. Step 3: Cross multiply
    62,133.18x = 85,759.24 × 38,280.30
  4. Step 4: Simplify right side
    62,133.18x = 3,282,889,434.97
  5. Step 5: Solve for x
    x = 3,282,889,434.97/62,133.18
  6. Step 6: Final answer
    x = 52,836.33

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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.