Home / 38,240.15-57,360.24-11,947.14

Finding the Fourth Proportional to 38,240.15, 57,360.24 and 11,947.14

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Solution

The fourth proportional to 38,240.15, 57,360.24 and 11,947.14 is: 17,920.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.15 : 57,360.24 = 11,947.14 : x
  2. Step 2: Convert to fraction form
    38,240.15/57,360.24 = 11,947.14/x
  3. Step 3: Cross multiply
    38,240.15x = 57,360.24 × 11,947.14
  4. Step 4: Simplify right side
    38,240.15x = 685,290,817.71
  5. Step 5: Solve for x
    x = 685,290,817.71/38,240.15
  6. Step 6: Final answer
    x = 17,920.72

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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.