Home / 44,287.29-66,419.59-13,115.25

Finding the Fourth Proportional to 44,287.29, 66,419.59 and 13,115.25

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Solution

The fourth proportional to 44,287.29, 66,419.59 and 13,115.25 is: 19,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,287.29 : 66,419.59 = 13,115.25 : x
  2. Step 2: Convert to fraction form
    44,287.29/66,419.59 = 13,115.25/x
  3. Step 3: Cross multiply
    44,287.29x = 66,419.59 × 13,115.25
  4. Step 4: Simplify right side
    44,287.29x = 871,109,527.75
  5. Step 5: Solve for x
    x = 871,109,527.75/44,287.29
  6. Step 6: Final answer
    x = 19,669.52

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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.