Home / 40,388.02-60,581.16-10,805.85

Finding the Fourth Proportional to 40,388.02, 60,581.16 and 10,805.85

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Solution

The fourth proportional to 40,388.02, 60,581.16 and 10,805.85 is: 16,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,388.02 : 60,581.16 = 10,805.85 : x
  2. Step 2: Convert to fraction form
    40,388.02/60,581.16 = 10,805.85/x
  3. Step 3: Cross multiply
    40,388.02x = 60,581.16 × 10,805.85
  4. Step 4: Simplify right side
    40,388.02x = 654,631,029.90
  5. Step 5: Solve for x
    x = 654,631,029.90/40,388.02
  6. Step 6: Final answer
    x = 16,208.55

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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.