Home / 38,106.03-57,142.49-20,332.73

Finding the Fourth Proportional to 38,106.03, 57,142.49 and 20,332.73

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Solution

The fourth proportional to 38,106.03, 57,142.49 and 20,332.73 is: 30,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,106.03 : 57,142.49 = 20,332.73 : x
  2. Step 2: Convert to fraction form
    38,106.03/57,142.49 = 20,332.73/x
  3. Step 3: Cross multiply
    38,106.03x = 57,142.49 × 20,332.73
  4. Step 4: Simplify right side
    38,106.03x = 1,161,862,534.99
  5. Step 5: Solve for x
    x = 1,161,862,534.99/38,106.03
  6. Step 6: Final answer
    x = 30,490.25

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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.