Home / 56,479.85-84,586.19-49,043.90

Finding the Fourth Proportional to 56,479.85, 84,586.19 and 49,043.90

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Solution

The fourth proportional to 56,479.85, 84,586.19 and 49,043.90 is: 73,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479.85 : 84,586.19 = 49,043.90 : x
  2. Step 2: Convert to fraction form
    56,479.85/84,586.19 = 49,043.90/x
  3. Step 3: Cross multiply
    56,479.85x = 84,586.19 × 49,043.90
  4. Step 4: Simplify right side
    56,479.85x = 4,148,436,410.06
  5. Step 5: Solve for x
    x = 4,148,436,410.06/56,479.85
  6. Step 6: Final answer
    x = 73,449.85

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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.