Home / 51,447.05-71,001.23-28,788.14

Finding the Fourth Proportional to 51,447.05, 71,001.23 and 28,788.14

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Solution

The fourth proportional to 51,447.05, 71,001.23 and 28,788.14 is: 39,730.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,447.05 : 71,001.23 = 28,788.14 : x
  2. Step 2: Convert to fraction form
    51,447.05/71,001.23 = 28,788.14/x
  3. Step 3: Cross multiply
    51,447.05x = 71,001.23 × 28,788.14
  4. Step 4: Simplify right side
    51,447.05x = 2,043,993,382.97
  5. Step 5: Solve for x
    x = 2,043,993,382.97/51,447.05
  6. Step 6: Final answer
    x = 39,730.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.