Home / 52,338.66-78,508.28-12,895.48

Finding the Fourth Proportional to 52,338.66, 78,508.28 and 12,895.48

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Solution

The fourth proportional to 52,338.66, 78,508.28 and 12,895.48 is: 19,343.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,338.66 : 78,508.28 = 12,895.48 : x
  2. Step 2: Convert to fraction form
    52,338.66/78,508.28 = 12,895.48/x
  3. Step 3: Cross multiply
    52,338.66x = 78,508.28 × 12,895.48
  4. Step 4: Simplify right side
    52,338.66x = 1,012,401,954.57
  5. Step 5: Solve for x
    x = 1,012,401,954.57/52,338.66
  6. Step 6: Final answer
    x = 19,343.29

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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.