Home / 51,293.76-70,797.20-30,079.86

Finding the Fourth Proportional to 51,293.76, 70,797.20 and 30,079.86

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Solution

The fourth proportional to 51,293.76, 70,797.20 and 30,079.86 is: 41,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,293.76 : 70,797.20 = 30,079.86 : x
  2. Step 2: Convert to fraction form
    51,293.76/70,797.20 = 30,079.86/x
  3. Step 3: Cross multiply
    51,293.76x = 70,797.20 × 30,079.86
  4. Step 4: Simplify right side
    51,293.76x = 2,129,569,864.39
  5. Step 5: Solve for x
    x = 2,129,569,864.39/51,293.76
  6. Step 6: Final answer
    x = 41,517.13

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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.