Home / 56,265.13-77,609.29-36,090.05

Finding the Fourth Proportional to 56,265.13, 77,609.29 and 36,090.05

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Solution

The fourth proportional to 56,265.13, 77,609.29 and 36,090.05 is: 49,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,265.13 : 77,609.29 = 36,090.05 : x
  2. Step 2: Convert to fraction form
    56,265.13/77,609.29 = 36,090.05/x
  3. Step 3: Cross multiply
    56,265.13x = 77,609.29 × 36,090.05
  4. Step 4: Simplify right side
    56,265.13x = 2,800,923,350.59
  5. Step 5: Solve for x
    x = 2,800,923,350.59/56,265.13
  6. Step 6: Final answer
    x = 49,780.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.