Home / 38,079.69-57,119.12-14,689.72

Finding the Fourth Proportional to 38,079.69, 57,119.12 and 14,689.72

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Solution

The fourth proportional to 38,079.69, 57,119.12 and 14,689.72 is: 22,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.69 : 57,119.12 = 14,689.72 : x
  2. Step 2: Convert to fraction form
    38,079.69/57,119.12 = 14,689.72/x
  3. Step 3: Cross multiply
    38,079.69x = 57,119.12 × 14,689.72
  4. Step 4: Simplify right side
    38,079.69x = 839,063,879.45
  5. Step 5: Solve for x
    x = 839,063,879.45/38,079.69
  6. Step 6: Final answer
    x = 22,034.42

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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.