Home / 47,957.92-71,936.88-20,256.16

Finding the Fourth Proportional to 47,957.92, 71,936.88 and 20,256.16

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Solution

The fourth proportional to 47,957.92, 71,936.88 and 20,256.16 is: 30,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,957.92 : 71,936.88 = 20,256.16 : x
  2. Step 2: Convert to fraction form
    47,957.92/71,936.88 = 20,256.16/x
  3. Step 3: Cross multiply
    47,957.92x = 71,936.88 × 20,256.16
  4. Step 4: Simplify right side
    47,957.92x = 1,457,164,951.18
  5. Step 5: Solve for x
    x = 1,457,164,951.18/47,957.92
  6. Step 6: Final answer
    x = 30,384.24

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Similar ratio
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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.