Home / 42,877.44-64,320.42-14,793.78

Finding the Fourth Proportional to 42,877.44, 64,320.42 and 14,793.78

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Solution

The fourth proportional to 42,877.44, 64,320.42 and 14,793.78 is: 22,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,877.44 : 64,320.42 = 14,793.78 : x
  2. Step 2: Convert to fraction form
    42,877.44/64,320.42 = 14,793.78/x
  3. Step 3: Cross multiply
    42,877.44x = 64,320.42 × 14,793.78
  4. Step 4: Simplify right side
    42,877.44x = 951,542,142.99
  5. Step 5: Solve for x
    x = 951,542,142.99/42,877.44
  6. Step 6: Final answer
    x = 22,192.14

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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.