Home / 55,686.11-83,430.72-36,921.65

Finding the Fourth Proportional to 55,686.11, 83,430.72 and 36,921.65

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Solution

The fourth proportional to 55,686.11, 83,430.72 and 36,921.65 is: 55,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686.11 : 83,430.72 = 36,921.65 : x
  2. Step 2: Convert to fraction form
    55,686.11/83,430.72 = 36,921.65/x
  3. Step 3: Cross multiply
    55,686.11x = 83,430.72 × 36,921.65
  4. Step 4: Simplify right side
    55,686.11x = 3,080,399,425.93
  5. Step 5: Solve for x
    x = 3,080,399,425.93/55,686.11
  6. Step 6: Final answer
    x = 55,317.20

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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.