Home / 38,345.20-57,517.80-26,535.40

Finding the Fourth Proportional to 38,345.20, 57,517.80 and 26,535.40

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Solution

The fourth proportional to 38,345.20, 57,517.80 and 26,535.40 is: 39,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,345.20 : 57,517.80 = 26,535.40 : x
  2. Step 2: Convert to fraction form
    38,345.20/57,517.80 = 26,535.40/x
  3. Step 3: Cross multiply
    38,345.20x = 57,517.80 × 26,535.40
  4. Step 4: Simplify right side
    38,345.20x = 1,526,257,830.12
  5. Step 5: Solve for x
    x = 1,526,257,830.12/38,345.20
  6. Step 6: Final answer
    x = 39,803.10

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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.