Home / 40,285.28-60,429.11-19,227.54

Finding the Fourth Proportional to 40,285.28, 60,429.11 and 19,227.54

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Solution

The fourth proportional to 40,285.28, 60,429.11 and 19,227.54 is: 28,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285.28 : 60,429.11 = 19,227.54 : x
  2. Step 2: Convert to fraction form
    40,285.28/60,429.11 = 19,227.54/x
  3. Step 3: Cross multiply
    40,285.28x = 60,429.11 × 19,227.54
  4. Step 4: Simplify right side
    40,285.28x = 1,161,903,129.69
  5. Step 5: Solve for x
    x = 1,161,903,129.69/40,285.28
  6. Step 6: Final answer
    x = 28,841.88

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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.