Home / 31,966.38-47,954.93-9,774.56

Finding the Fourth Proportional to 31,966.38, 47,954.93 and 9,774.56

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Solution

The fourth proportional to 31,966.38, 47,954.93 and 9,774.56 is: 14,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966.38 : 47,954.93 = 9,774.56 : x
  2. Step 2: Convert to fraction form
    31,966.38/47,954.93 = 9,774.56/x
  3. Step 3: Cross multiply
    31,966.38x = 47,954.93 × 9,774.56
  4. Step 4: Simplify right side
    31,966.38x = 468,738,125.24
  5. Step 5: Solve for x
    x = 468,738,125.24/31,966.38
  6. Step 6: Final answer
    x = 14,663.47

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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.