Home / 40,638.66-60,964.49-12,552.11

Finding the Fourth Proportional to 40,638.66, 60,964.49 and 12,552.11

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Solution

The fourth proportional to 40,638.66, 60,964.49 and 12,552.11 is: 18,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,638.66 : 60,964.49 = 12,552.11 : x
  2. Step 2: Convert to fraction form
    40,638.66/60,964.49 = 12,552.11/x
  3. Step 3: Cross multiply
    40,638.66x = 60,964.49 × 12,552.11
  4. Step 4: Simplify right side
    40,638.66x = 765,232,984.57
  5. Step 5: Solve for x
    x = 765,232,984.57/40,638.66
  6. Step 6: Final answer
    x = 18,830.17

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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.