Home / 47,290.28-70,936.12-14,013.72

Finding the Fourth Proportional to 47,290.28, 70,936.12 and 14,013.72

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Solution

The fourth proportional to 47,290.28, 70,936.12 and 14,013.72 is: 21,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,290.28 : 70,936.12 = 14,013.72 : x
  2. Step 2: Convert to fraction form
    47,290.28/70,936.12 = 14,013.72/x
  3. Step 3: Cross multiply
    47,290.28x = 70,936.12 × 14,013.72
  4. Step 4: Simplify right side
    47,290.28x = 994,078,923.57
  5. Step 5: Solve for x
    x = 994,078,923.57/47,290.28
  6. Step 6: Final answer
    x = 21,020.79

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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.