Home / 71,702.26-107,553.34-21,782.16

Finding the Fourth Proportional to 71,702.26, 107,553.34 and 21,782.16

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Solution

The fourth proportional to 71,702.26, 107,553.34 and 21,782.16 is: 32,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,702.26 : 107,553.34 = 21,782.16 : x
  2. Step 2: Convert to fraction form
    71,702.26/107,553.34 = 21,782.16/x
  3. Step 3: Cross multiply
    71,702.26x = 107,553.34 × 21,782.16
  4. Step 4: Simplify right side
    71,702.26x = 2,342,744,060.41
  5. Step 5: Solve for x
    x = 2,342,744,060.41/71,702.26
  6. Step 6: Final answer
    x = 32,673.22

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1.5x scale

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.