Home / 57,634.28-79,535.24-31,138.28

Finding the Fourth Proportional to 57,634.28, 79,535.24 and 31,138.28

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Solution

The fourth proportional to 57,634.28, 79,535.24 and 31,138.28 is: 42,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,634.28 : 79,535.24 = 31,138.28 : x
  2. Step 2: Convert to fraction form
    57,634.28/79,535.24 = 31,138.28/x
  3. Step 3: Cross multiply
    57,634.28x = 79,535.24 × 31,138.28
  4. Step 4: Simplify right side
    57,634.28x = 2,476,590,572.99
  5. Step 5: Solve for x
    x = 2,476,590,572.99/57,634.28
  6. Step 6: Final answer
    x = 42,970.79

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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.