Home / 34,543.36-51,815.04-13,781.44

Finding the Fourth Proportional to 34,543.36, 51,815.04 and 13,781.44

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Solution

The fourth proportional to 34,543.36, 51,815.04 and 13,781.44 is: 20,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,543.36 : 51,815.04 = 13,781.44 : x
  2. Step 2: Convert to fraction form
    34,543.36/51,815.04 = 13,781.44/x
  3. Step 3: Cross multiply
    34,543.36x = 51,815.04 × 13,781.44
  4. Step 4: Simplify right side
    34,543.36x = 714,085,864.86
  5. Step 5: Solve for x
    x = 714,085,864.86/34,543.36
  6. Step 6: Final answer
    x = 20,672.16

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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.