Home / 38,583.30-57,874.95-12,290.70

Finding the Fourth Proportional to 38,583.30, 57,874.95 and 12,290.70

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Solution

The fourth proportional to 38,583.30, 57,874.95 and 12,290.70 is: 18,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583.30 : 57,874.95 = 12,290.70 : x
  2. Step 2: Convert to fraction form
    38,583.30/57,874.95 = 12,290.70/x
  3. Step 3: Cross multiply
    38,583.30x = 57,874.95 × 12,290.70
  4. Step 4: Simplify right side
    38,583.30x = 711,323,647.97
  5. Step 5: Solve for x
    x = 711,323,647.97/38,583.30
  6. Step 6: Final answer
    x = 18,436.05

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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.