Home / 29,877.60-41,231.76-16,449.12

Finding the Fourth Proportional to 29,877.60, 41,231.76 and 16,449.12

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Solution

The fourth proportional to 29,877.60, 41,231.76 and 16,449.12 is: 22,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,877.60 : 41,231.76 = 16,449.12 : x
  2. Step 2: Convert to fraction form
    29,877.60/41,231.76 = 16,449.12/x
  3. Step 3: Cross multiply
    29,877.60x = 41,231.76 × 16,449.12
  4. Step 4: Simplify right side
    29,877.60x = 678,226,168.05
  5. Step 5: Solve for x
    x = 678,226,168.05/29,877.60
  6. Step 6: Final answer
    x = 22,700.16

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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.