Home / 56,434.60-84,479.10-40,882.60

Finding the Fourth Proportional to 56,434.60, 84,479.10 and 40,882.60

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Solution

The fourth proportional to 56,434.60, 84,479.10 and 40,882.60 is: 61,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,434.60 : 84,479.10 = 40,882.60 : x
  2. Step 2: Convert to fraction form
    56,434.60/84,479.10 = 40,882.60/x
  3. Step 3: Cross multiply
    56,434.60x = 84,479.10 × 40,882.60
  4. Step 4: Simplify right side
    56,434.60x = 3,453,725,253.66
  5. Step 5: Solve for x
    x = 3,453,725,253.66/56,434.60
  6. Step 6: Final answer
    x = 61,198.72

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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.