Home / 52,115.28-71,915.94-30,601.92

Finding the Fourth Proportional to 52,115.28, 71,915.94 and 30,601.92

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Solution

The fourth proportional to 52,115.28, 71,915.94 and 30,601.92 is: 42,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,115.28 : 71,915.94 = 30,601.92 : x
  2. Step 2: Convert to fraction form
    52,115.28/71,915.94 = 30,601.92/x
  3. Step 3: Cross multiply
    52,115.28x = 71,915.94 × 30,601.92
  4. Step 4: Simplify right side
    52,115.28x = 2,200,765,842.60
  5. Step 5: Solve for x
    x = 2,200,765,842.60/52,115.28
  6. Step 6: Final answer
    x = 42,228.80

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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.