Home / 43,200.88-64,805.03-12,036.13

Finding the Fourth Proportional to 43,200.88, 64,805.03 and 12,036.13

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Solution

The fourth proportional to 43,200.88, 64,805.03 and 12,036.13 is: 18,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,200.88 : 64,805.03 = 12,036.13 : x
  2. Step 2: Convert to fraction form
    43,200.88/64,805.03 = 12,036.13/x
  3. Step 3: Cross multiply
    43,200.88x = 64,805.03 × 12,036.13
  4. Step 4: Simplify right side
    43,200.88x = 780,001,381.53
  5. Step 5: Solve for x
    x = 780,001,381.53/43,200.88
  6. Step 6: Final answer
    x = 18,055.22

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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.