Home / 51,500.10-71,062.16-28,840.05

Finding the Fourth Proportional to 51,500.10, 71,062.16 and 28,840.05

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Solution

The fourth proportional to 51,500.10, 71,062.16 and 28,840.05 is: 39,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,500.10 : 71,062.16 = 28,840.05 : x
  2. Step 2: Convert to fraction form
    51,500.10/71,062.16 = 28,840.05/x
  3. Step 3: Cross multiply
    51,500.10x = 71,062.16 × 28,840.05
  4. Step 4: Simplify right side
    51,500.10x = 2,049,436,265.53
  5. Step 5: Solve for x
    x = 2,049,436,265.53/51,500.10
  6. Step 6: Final answer
    x = 39,794.80

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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.