Home / 47,264.82-70,911.08-13,985.70

Finding the Fourth Proportional to 47,264.82, 70,911.08 and 13,985.70

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Solution

The fourth proportional to 47,264.82, 70,911.08 and 13,985.70 is: 20,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,264.82 : 70,911.08 = 13,985.70 : x
  2. Step 2: Convert to fraction form
    47,264.82/70,911.08 = 13,985.70/x
  3. Step 3: Cross multiply
    47,264.82x = 70,911.08 × 13,985.70
  4. Step 4: Simplify right side
    47,264.82x = 991,741,091.56
  5. Step 5: Solve for x
    x = 991,741,091.56/47,264.82
  6. Step 6: Final answer
    x = 20,982.65

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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.