Home / 33,132.32-45,723.81-18,987.90

Finding the Fourth Proportional to 33,132.32, 45,723.81 and 18,987.90

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Solution

The fourth proportional to 33,132.32, 45,723.81 and 18,987.90 is: 26,204.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,132.32 : 45,723.81 = 18,987.90 : x
  2. Step 2: Convert to fraction form
    33,132.32/45,723.81 = 18,987.90/x
  3. Step 3: Cross multiply
    33,132.32x = 45,723.81 × 18,987.90
  4. Step 4: Simplify right side
    33,132.32x = 868,199,131.90
  5. Step 5: Solve for x
    x = 868,199,131.90/33,132.32
  6. Step 6: Final answer
    x = 26,204.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.