Home / 43,804.17-65,691.45-13,818.15

Finding the Fourth Proportional to 43,804.17, 65,691.45 and 13,818.15

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Solution

The fourth proportional to 43,804.17, 65,691.45 and 13,818.15 is: 20,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,804.17 : 65,691.45 = 13,818.15 : x
  2. Step 2: Convert to fraction form
    43,804.17/65,691.45 = 13,818.15/x
  3. Step 3: Cross multiply
    43,804.17x = 65,691.45 × 13,818.15
  4. Step 4: Simplify right side
    43,804.17x = 907,734,309.82
  5. Step 5: Solve for x
    x = 907,734,309.82/43,804.17
  6. Step 6: Final answer
    x = 20,722.55

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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.