Home / 57,346.50-79,138.14-31,855.23

Finding the Fourth Proportional to 57,346.50, 79,138.14 and 31,855.23

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Solution

The fourth proportional to 57,346.50, 79,138.14 and 31,855.23 is: 43,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,346.50 : 79,138.14 = 31,855.23 : x
  2. Step 2: Convert to fraction form
    57,346.50/79,138.14 = 31,855.23/x
  3. Step 3: Cross multiply
    57,346.50x = 79,138.14 × 31,855.23
  4. Step 4: Simplify right side
    57,346.50x = 2,520,963,651.47
  5. Step 5: Solve for x
    x = 2,520,963,651.47/57,346.50
  6. Step 6: Final answer
    x = 43,960.20

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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.