Home / 38,281.38-57,338.94-18,518.49

Finding the Fourth Proportional to 38,281.38, 57,338.94 and 18,518.49

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Solution

The fourth proportional to 38,281.38, 57,338.94 and 18,518.49 is: 27,737.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.38 : 57,338.94 = 18,518.49 : x
  2. Step 2: Convert to fraction form
    38,281.38/57,338.94 = 18,518.49/x
  3. Step 3: Cross multiply
    38,281.38x = 57,338.94 × 18,518.49
  4. Step 4: Simplify right side
    38,281.38x = 1,061,830,587.00
  5. Step 5: Solve for x
    x = 1,061,830,587.00/38,281.38
  6. Step 6: Final answer
    x = 27,737.52

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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.