Home / 52,718.26-79,077.44-21,553.51

Finding the Fourth Proportional to 52,718.26, 79,077.44 and 21,553.51

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Solution

The fourth proportional to 52,718.26, 79,077.44 and 21,553.51 is: 32,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,718.26 : 79,077.44 = 21,553.51 : x
  2. Step 2: Convert to fraction form
    52,718.26/79,077.44 = 21,553.51/x
  3. Step 3: Cross multiply
    52,718.26x = 79,077.44 × 21,553.51
  4. Step 4: Simplify right side
    52,718.26x = 1,704,395,890.66
  5. Step 5: Solve for x
    x = 1,704,395,890.66/52,718.26
  6. Step 6: Final answer
    x = 32,330.28

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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.