Home / 38,689.14-58,050.41-20,932.31

Finding the Fourth Proportional to 38,689.14, 58,050.41 and 20,932.31

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Solution

The fourth proportional to 38,689.14, 58,050.41 and 20,932.31 is: 31,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689.14 : 58,050.41 = 20,932.31 : x
  2. Step 2: Convert to fraction form
    38,689.14/58,050.41 = 20,932.31/x
  3. Step 3: Cross multiply
    38,689.14x = 58,050.41 × 20,932.31
  4. Step 4: Simplify right side
    38,689.14x = 1,215,128,891.68
  5. Step 5: Solve for x
    x = 1,215,128,891.68/38,689.14
  6. Step 6: Final answer
    x = 31,407.49

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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.