Home / 51,278.92-70,756.40-34,255.88

Finding the Fourth Proportional to 51,278.92, 70,756.40 and 34,255.88

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Solution

The fourth proportional to 51,278.92, 70,756.40 and 34,255.88 is: 47,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,278.92 : 70,756.40 = 34,255.88 : x
  2. Step 2: Convert to fraction form
    51,278.92/70,756.40 = 34,255.88/x
  3. Step 3: Cross multiply
    51,278.92x = 70,756.40 × 34,255.88
  4. Step 4: Simplify right side
    51,278.92x = 2,423,822,747.63
  5. Step 5: Solve for x
    x = 2,423,822,747.63/51,278.92
  6. Step 6: Final answer
    x = 47,267.43

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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.