Home / 38,439.48-57,666.42-12,150.84

Finding the Fourth Proportional to 38,439.48, 57,666.42 and 12,150.84

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Solution

The fourth proportional to 38,439.48, 57,666.42 and 12,150.84 is: 18,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.48 : 57,666.42 = 12,150.84 : x
  2. Step 2: Convert to fraction form
    38,439.48/57,666.42 = 12,150.84/x
  3. Step 3: Cross multiply
    38,439.48x = 57,666.42 × 12,150.84
  4. Step 4: Simplify right side
    38,439.48x = 700,695,442.79
  5. Step 5: Solve for x
    x = 700,695,442.79/38,439.48
  6. Step 6: Final answer
    x = 18,228.54

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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.