Home / 51,298.17-76,974.35-36,401.55

Finding the Fourth Proportional to 51,298.17, 76,974.35 and 36,401.55

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Solution

The fourth proportional to 51,298.17, 76,974.35 and 36,401.55 is: 54,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,298.17 : 76,974.35 = 36,401.55 : x
  2. Step 2: Convert to fraction form
    51,298.17/76,974.35 = 36,401.55/x
  3. Step 3: Cross multiply
    51,298.17x = 76,974.35 × 36,401.55
  4. Step 4: Simplify right side
    51,298.17x = 2,801,985,741.25
  5. Step 5: Solve for x
    x = 2,801,985,741.25/51,298.17
  6. Step 6: Final answer
    x = 54,621.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.