Home / 38,947.11-58,422.60-18,974.94

Finding the Fourth Proportional to 38,947.11, 58,422.60 and 18,974.94

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Solution

The fourth proportional to 38,947.11, 58,422.60 and 18,974.94 is: 28,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,947.11 : 58,422.60 = 18,974.94 : x
  2. Step 2: Convert to fraction form
    38,947.11/58,422.60 = 18,974.94/x
  3. Step 3: Cross multiply
    38,947.11x = 58,422.60 × 18,974.94
  4. Step 4: Simplify right side
    38,947.11x = 1,108,565,329.64
  5. Step 5: Solve for x
    x = 1,108,565,329.64/38,947.11
  6. Step 6: Final answer
    x = 28,463.35

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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.