Home / 40,581.12-60,859.20-15,619.20

Finding the Fourth Proportional to 40,581.12, 60,859.20 and 15,619.20

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Solution

The fourth proportional to 40,581.12, 60,859.20 and 15,619.20 is: 23,424.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,581.12 : 60,859.20 = 15,619.20 : x
  2. Step 2: Convert to fraction form
    40,581.12/60,859.20 = 15,619.20/x
  3. Step 3: Cross multiply
    40,581.12x = 60,859.20 × 15,619.20
  4. Step 4: Simplify right side
    40,581.12x = 950,572,016.64
  5. Step 5: Solve for x
    x = 950,572,016.64/40,581.12
  6. Step 6: Final answer
    x = 23,424.00

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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.