Home / 34,720.72-47,914.68-18,805.17

Finding the Fourth Proportional to 34,720.72, 47,914.68 and 18,805.17

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Solution

The fourth proportional to 34,720.72, 47,914.68 and 18,805.17 is: 25,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.72 : 47,914.68 = 18,805.17 : x
  2. Step 2: Convert to fraction form
    34,720.72/47,914.68 = 18,805.17/x
  3. Step 3: Cross multiply
    34,720.72x = 47,914.68 × 18,805.17
  4. Step 4: Simplify right side
    34,720.72x = 901,043,702.90
  5. Step 5: Solve for x
    x = 901,043,702.90/34,720.72
  6. Step 6: Final answer
    x = 25,951.18

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1.5x scale

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.