Home / 47,915.92-71,876.58-14,641.12

Finding the Fourth Proportional to 47,915.92, 71,876.58 and 14,641.12

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Solution

The fourth proportional to 47,915.92, 71,876.58 and 14,641.12 is: 21,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,915.92 : 71,876.58 = 14,641.12 : x
  2. Step 2: Convert to fraction form
    47,915.92/71,876.58 = 14,641.12/x
  3. Step 3: Cross multiply
    47,915.92x = 71,876.58 × 14,641.12
  4. Step 4: Simplify right side
    47,915.92x = 1,052,353,632.97
  5. Step 5: Solve for x
    x = 1,052,353,632.97/47,915.92
  6. Step 6: Final answer
    x = 21,962.51

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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.