Home / 52,702.26-79,052.97-21,515.64

Finding the Fourth Proportional to 52,702.26, 79,052.97 and 21,515.64

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Solution

The fourth proportional to 52,702.26, 79,052.97 and 21,515.64 is: 32,273.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,702.26 : 79,052.97 = 21,515.64 : x
  2. Step 2: Convert to fraction form
    52,702.26/79,052.97 = 21,515.64/x
  3. Step 3: Cross multiply
    52,702.26x = 79,052.97 × 21,515.64
  4. Step 4: Simplify right side
    52,702.26x = 1,700,875,243.45
  5. Step 5: Solve for x
    x = 1,700,875,243.45/52,702.26
  6. Step 6: Final answer
    x = 32,273.29

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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.