Home / 29,043.55-40,080.99-20,560.83

Finding the Fourth Proportional to 29,043.55, 40,080.99 and 20,560.83

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Solution

The fourth proportional to 29,043.55, 40,080.99 and 20,560.83 is: 28,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.55 : 40,080.99 = 20,560.83 : x
  2. Step 2: Convert to fraction form
    29,043.55/40,080.99 = 20,560.83/x
  3. Step 3: Cross multiply
    29,043.55x = 40,080.99 × 20,560.83
  4. Step 4: Simplify right side
    29,043.55x = 824,098,421.62
  5. Step 5: Solve for x
    x = 824,098,421.62/29,043.55
  6. Step 6: Final answer
    x = 28,374.58

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Double scale
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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.