Home / 38,135.06-57,208.08-14,451.56

Finding the Fourth Proportional to 38,135.06, 57,208.08 and 14,451.56

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Solution

The fourth proportional to 38,135.06, 57,208.08 and 14,451.56 is: 21,679.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135.06 : 57,208.08 = 14,451.56 : x
  2. Step 2: Convert to fraction form
    38,135.06/57,208.08 = 14,451.56/x
  3. Step 3: Cross multiply
    38,135.06x = 57,208.08 × 14,451.56
  4. Step 4: Simplify right side
    38,135.06x = 826,746,000.60
  5. Step 5: Solve for x
    x = 826,746,000.60/38,135.06
  6. Step 6: Final answer
    x = 21,679.42

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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.