Home / 38,278.74-57,410.58-36,379.95

Finding the Fourth Proportional to 38,278.74, 57,410.58 and 36,379.95

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Solution

The fourth proportional to 38,278.74, 57,410.58 and 36,379.95 is: 54,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.74 : 57,410.58 = 36,379.95 : x
  2. Step 2: Convert to fraction form
    38,278.74/57,410.58 = 36,379.95/x
  3. Step 3: Cross multiply
    38,278.74x = 57,410.58 × 36,379.95
  4. Step 4: Simplify right side
    38,278.74x = 2,088,594,029.87
  5. Step 5: Solve for x
    x = 2,088,594,029.87/38,278.74
  6. Step 6: Final answer
    x = 54,562.77

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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.