Home / 38,252.40-57,121.03-31,246.40

Finding the Fourth Proportional to 38,252.40, 57,121.03 and 31,246.40

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Solution

The fourth proportional to 38,252.40, 57,121.03 and 31,246.40 is: 46,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,252.40 : 57,121.03 = 31,246.40 : x
  2. Step 2: Convert to fraction form
    38,252.40/57,121.03 = 31,246.40/x
  3. Step 3: Cross multiply
    38,252.40x = 57,121.03 × 31,246.40
  4. Step 4: Simplify right side
    38,252.40x = 1,784,826,395.56
  5. Step 5: Solve for x
    x = 1,784,826,395.56/38,252.40
  6. Step 6: Final answer
    x = 46,659.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.