Home / 42,859.76-59,146.08-23,997.20

Finding the Fourth Proportional to 42,859.76, 59,146.08 and 23,997.20

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Solution

The fourth proportional to 42,859.76, 59,146.08 and 23,997.20 is: 33,115.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,859.76 : 59,146.08 = 23,997.20 : x
  2. Step 2: Convert to fraction form
    42,859.76/59,146.08 = 23,997.20/x
  3. Step 3: Cross multiply
    42,859.76x = 59,146.08 × 23,997.20
  4. Step 4: Simplify right side
    42,859.76x = 1,419,340,310.98
  5. Step 5: Solve for x
    x = 1,419,340,310.98/42,859.76
  6. Step 6: Final answer
    x = 33,115.92

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.