Home / 40,264.30-60,396.38-10,278.53

Finding the Fourth Proportional to 40,264.30, 60,396.38 and 10,278.53

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Solution

The fourth proportional to 40,264.30, 60,396.38 and 10,278.53 is: 15,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,264.30 : 60,396.38 = 10,278.53 : x
  2. Step 2: Convert to fraction form
    40,264.30/60,396.38 = 10,278.53/x
  3. Step 3: Cross multiply
    40,264.30x = 60,396.38 × 10,278.53
  4. Step 4: Simplify right side
    40,264.30x = 620,785,650.35
  5. Step 5: Solve for x
    x = 620,785,650.35/40,264.30
  6. Step 6: Final answer
    x = 15,417.77

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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.