Home / 38,150.88-57,152.51-21,460.20

Finding the Fourth Proportional to 38,150.88, 57,152.51 and 21,460.20

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Solution

The fourth proportional to 38,150.88, 57,152.51 and 21,460.20 is: 32,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,150.88 : 57,152.51 = 21,460.20 : x
  2. Step 2: Convert to fraction form
    38,150.88/57,152.51 = 21,460.20/x
  3. Step 3: Cross multiply
    38,150.88x = 57,152.51 × 21,460.20
  4. Step 4: Simplify right side
    38,150.88x = 1,226,504,053.95
  5. Step 5: Solve for x
    x = 1,226,504,053.95/38,150.88
  6. Step 6: Final answer
    x = 32,148.78

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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.