Home / 38,445.70-57,663.15-12,153.10

Finding the Fourth Proportional to 38,445.70, 57,663.15 and 12,153.10

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Solution

The fourth proportional to 38,445.70, 57,663.15 and 12,153.10 is: 18,227.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,445.70 : 57,663.15 = 12,153.10 : x
  2. Step 2: Convert to fraction form
    38,445.70/57,663.15 = 12,153.10/x
  3. Step 3: Cross multiply
    38,445.70x = 57,663.15 × 12,153.10
  4. Step 4: Simplify right side
    38,445.70x = 700,786,028.27
  5. Step 5: Solve for x
    x = 700,786,028.27/38,445.70
  6. Step 6: Final answer
    x = 18,227.94

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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.