Home / 52,045.22-71,822.57-28,172.09

Finding the Fourth Proportional to 52,045.22, 71,822.57 and 28,172.09

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Solution

The fourth proportional to 52,045.22, 71,822.57 and 28,172.09 is: 38,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,045.22 : 71,822.57 = 28,172.09 : x
  2. Step 2: Convert to fraction form
    52,045.22/71,822.57 = 28,172.09/x
  3. Step 3: Cross multiply
    52,045.22x = 71,822.57 × 28,172.09
  4. Step 4: Simplify right side
    52,045.22x = 2,023,391,944.77
  5. Step 5: Solve for x
    x = 2,023,391,944.77/52,045.22
  6. Step 6: Final answer
    x = 38,877.57

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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.