Home / 43,144.80-64,717.16-13,565.22

Finding the Fourth Proportional to 43,144.80, 64,717.16 and 13,565.22

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Solution

The fourth proportional to 43,144.80, 64,717.16 and 13,565.22 is: 20,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,144.80 : 64,717.16 = 13,565.22 : x
  2. Step 2: Convert to fraction form
    43,144.80/64,717.16 = 13,565.22/x
  3. Step 3: Cross multiply
    43,144.80x = 64,717.16 × 13,565.22
  4. Step 4: Simplify right side
    43,144.80x = 877,902,445.35
  5. Step 5: Solve for x
    x = 877,902,445.35/43,144.80
  6. Step 6: Final answer
    x = 20,347.82

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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.