Home / 40,588.76-60,875.84-18,398

Finding the Fourth Proportional to 40,588.76, 60,875.84 and 18,398

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Solution

The fourth proportional to 40,588.76, 60,875.84 and 18,398 is: 27,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,588.76 : 60,875.84 = 18,398 : x
  2. Step 2: Convert to fraction form
    40,588.76/60,875.84 = 18,398/x
  3. Step 3: Cross multiply
    40,588.76x = 60,875.84 × 18,398
  4. Step 4: Simplify right side
    40,588.76x = 1,119,993,704.32
  5. Step 5: Solve for x
    x = 1,119,993,704.32/40,588.76
  6. Step 6: Final answer
    x = 27,593.69

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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.