Home / 51,064.12-70,470.86-28,405.44

Finding the Fourth Proportional to 51,064.12, 70,470.86 and 28,405.44

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Solution

The fourth proportional to 51,064.12, 70,470.86 and 28,405.44 is: 39,200.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,064.12 : 70,470.86 = 28,405.44 : x
  2. Step 2: Convert to fraction form
    51,064.12/70,470.86 = 28,405.44/x
  3. Step 3: Cross multiply
    51,064.12x = 70,470.86 × 28,405.44
  4. Step 4: Simplify right side
    51,064.12x = 2,001,755,785.48
  5. Step 5: Solve for x
    x = 2,001,755,785.48/51,064.12
  6. Step 6: Final answer
    x = 39,200.83

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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.