Home / 38,272.80-57,247.20-34,352.40

Finding the Fourth Proportional to 38,272.80, 57,247.20 and 34,352.40

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Solution

The fourth proportional to 38,272.80, 57,247.20 and 34,352.40 is: 51,383.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,272.80 : 57,247.20 = 34,352.40 : x
  2. Step 2: Convert to fraction form
    38,272.80/57,247.20 = 34,352.40/x
  3. Step 3: Cross multiply
    38,272.80x = 57,247.20 × 34,352.40
  4. Step 4: Simplify right side
    38,272.80x = 1,966,578,713.28
  5. Step 5: Solve for x
    x = 1,966,578,713.28/38,272.80
  6. Step 6: Final answer
    x = 51,383.19

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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.