Home / 51,149.37-70,585.65-28,487.04

Finding the Fourth Proportional to 51,149.37, 70,585.65 and 28,487.04

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Solution

The fourth proportional to 51,149.37, 70,585.65 and 28,487.04 is: 39,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,149.37 : 70,585.65 = 28,487.04 : x
  2. Step 2: Convert to fraction form
    51,149.37/70,585.65 = 28,487.04/x
  3. Step 3: Cross multiply
    51,149.37x = 70,585.65 × 28,487.04
  4. Step 4: Simplify right side
    51,149.37x = 2,010,776,447.44
  5. Step 5: Solve for x
    x = 2,010,776,447.44/51,149.37
  6. Step 6: Final answer
    x = 39,311.85

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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.