Home / 38,719.52-58,057.68-18,955.52

Finding the Fourth Proportional to 38,719.52, 58,057.68 and 18,955.52

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Solution

The fourth proportional to 38,719.52, 58,057.68 and 18,955.52 is: 28,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.52 : 58,057.68 = 18,955.52 : x
  2. Step 2: Convert to fraction form
    38,719.52/58,057.68 = 18,955.52/x
  3. Step 3: Cross multiply
    38,719.52x = 58,057.68 × 18,955.52
  4. Step 4: Simplify right side
    38,719.52x = 1,100,513,514.39
  5. Step 5: Solve for x
    x = 1,100,513,514.39/38,719.52
  6. Step 6: Final answer
    x = 28,422.71

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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.