Home / 42,704.55-64,023.66-27,679.95

Finding the Fourth Proportional to 42,704.55, 64,023.66 and 27,679.95

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Solution

The fourth proportional to 42,704.55, 64,023.66 and 27,679.95 is: 41,498.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,704.55 : 64,023.66 = 27,679.95 : x
  2. Step 2: Convert to fraction form
    42,704.55/64,023.66 = 27,679.95/x
  3. Step 3: Cross multiply
    42,704.55x = 64,023.66 × 27,679.95
  4. Step 4: Simplify right side
    42,704.55x = 1,772,171,707.62
  5. Step 5: Solve for x
    x = 1,772,171,707.62/42,704.55
  6. Step 6: Final answer
    x = 41,498.43

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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.