Home / 38,290.12-57,444.36-18,545.60

Finding the Fourth Proportional to 38,290.12, 57,444.36 and 18,545.60

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Solution

The fourth proportional to 38,290.12, 57,444.36 and 18,545.60 is: 27,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290.12 : 57,444.36 = 18,545.60 : x
  2. Step 2: Convert to fraction form
    38,290.12/57,444.36 = 18,545.60/x
  3. Step 3: Cross multiply
    38,290.12x = 57,444.36 × 18,545.60
  4. Step 4: Simplify right side
    38,290.12x = 1,065,340,122.82
  5. Step 5: Solve for x
    x = 1,065,340,122.82/38,290.12
  6. Step 6: Final answer
    x = 27,822.85

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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.