Home / 42,029.76-58,024.80-27,901.92

Finding the Fourth Proportional to 42,029.76, 58,024.80 and 27,901.92

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Solution

The fourth proportional to 42,029.76, 58,024.80 and 27,901.92 is: 38,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,029.76 : 58,024.80 = 27,901.92 : x
  2. Step 2: Convert to fraction form
    42,029.76/58,024.80 = 27,901.92/x
  3. Step 3: Cross multiply
    42,029.76x = 58,024.80 × 27,901.92
  4. Step 4: Simplify right side
    42,029.76x = 1,619,003,327.62
  5. Step 5: Solve for x
    x = 1,619,003,327.62/42,029.76
  6. Step 6: Final answer
    x = 38,520.40

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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.