Home / 38,162.99-57,170.37-21,472.13

Finding the Fourth Proportional to 38,162.99, 57,170.37 and 21,472.13

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Solution

The fourth proportional to 38,162.99, 57,170.37 and 21,472.13 is: 32,166.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,162.99 : 57,170.37 = 21,472.13 : x
  2. Step 2: Convert to fraction form
    38,162.99/57,170.37 = 21,472.13/x
  3. Step 3: Cross multiply
    38,162.99x = 57,170.37 × 21,472.13
  4. Step 4: Simplify right side
    38,162.99x = 1,227,569,616.79
  5. Step 5: Solve for x
    x = 1,227,569,616.79/38,162.99
  6. Step 6: Final answer
    x = 32,166.49

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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.