Home / 47,415.50-71,123.25-14,158.92

Finding the Fourth Proportional to 47,415.50, 71,123.25 and 14,158.92

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Solution

The fourth proportional to 47,415.50, 71,123.25 and 14,158.92 is: 21,238.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,415.50 : 71,123.25 = 14,158.92 : x
  2. Step 2: Convert to fraction form
    47,415.50/71,123.25 = 14,158.92/x
  3. Step 3: Cross multiply
    47,415.50x = 71,123.25 × 14,158.92
  4. Step 4: Simplify right side
    47,415.50x = 1,007,028,406.89
  5. Step 5: Solve for x
    x = 1,007,028,406.89/47,415.50
  6. Step 6: Final answer
    x = 21,238.38

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Half scale
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Double scale
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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.