Home / 38,209.30-57,292.95-13,247.12

Finding the Fourth Proportional to 38,209.30, 57,292.95 and 13,247.12

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Solution

The fourth proportional to 38,209.30, 57,292.95 and 13,247.12 is: 19,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,209.30 : 57,292.95 = 13,247.12 : x
  2. Step 2: Convert to fraction form
    38,209.30/57,292.95 = 13,247.12/x
  3. Step 3: Cross multiply
    38,209.30x = 57,292.95 × 13,247.12
  4. Step 4: Simplify right side
    38,209.30x = 758,966,583.80
  5. Step 5: Solve for x
    x = 758,966,583.80/38,209.30
  6. Step 6: Final answer
    x = 19,863.40

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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.