Home / 71,947.24-107,952.06-38,628.40

Finding the Fourth Proportional to 71,947.24, 107,952.06 and 38,628.40

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Solution

The fourth proportional to 71,947.24, 107,952.06 and 38,628.40 is: 57,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,947.24 : 107,952.06 = 38,628.40 : x
  2. Step 2: Convert to fraction form
    71,947.24/107,952.06 = 38,628.40/x
  3. Step 3: Cross multiply
    71,947.24x = 107,952.06 × 38,628.40
  4. Step 4: Simplify right side
    71,947.24x = 4,170,015,354.50
  5. Step 5: Solve for x
    x = 4,170,015,354.50/71,947.24
  6. Step 6: Final answer
    x = 57,959.35

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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.