Home / 46,479.60-69,719.40-15,310.80

Finding the Fourth Proportional to 46,479.60, 69,719.40 and 15,310.80

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Solution

The fourth proportional to 46,479.60, 69,719.40 and 15,310.80 is: 22,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,479.60 : 69,719.40 = 15,310.80 : x
  2. Step 2: Convert to fraction form
    46,479.60/69,719.40 = 15,310.80/x
  3. Step 3: Cross multiply
    46,479.60x = 69,719.40 × 15,310.80
  4. Step 4: Simplify right side
    46,479.60x = 1,067,459,789.52
  5. Step 5: Solve for x
    x = 1,067,459,789.52/46,479.60
  6. Step 6: Final answer
    x = 22,966.20

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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.