Home / 51,538.39-77,268.20-35,697.90

Finding the Fourth Proportional to 51,538.39, 77,268.20 and 35,697.90

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Solution

The fourth proportional to 51,538.39, 77,268.20 and 35,697.90 is: 53,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,538.39 : 77,268.20 = 35,697.90 : x
  2. Step 2: Convert to fraction form
    51,538.39/77,268.20 = 35,697.90/x
  3. Step 3: Cross multiply
    51,538.39x = 77,268.20 × 35,697.90
  4. Step 4: Simplify right side
    51,538.39x = 2,758,312,476.78
  5. Step 5: Solve for x
    x = 2,758,312,476.78/51,538.39
  6. Step 6: Final answer
    x = 53,519.57

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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.