Home / 52,551.12-72,522.09-28,679.33

Finding the Fourth Proportional to 52,551.12, 72,522.09 and 28,679.33

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Solution

The fourth proportional to 52,551.12, 72,522.09 and 28,679.33 is: 39,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,551.12 : 72,522.09 = 28,679.33 : x
  2. Step 2: Convert to fraction form
    52,551.12/72,522.09 = 28,679.33/x
  3. Step 3: Cross multiply
    52,551.12x = 72,522.09 × 28,679.33
  4. Step 4: Simplify right side
    52,551.12x = 2,079,884,445.39
  5. Step 5: Solve for x
    x = 2,079,884,445.39/52,551.12
  6. Step 6: Final answer
    x = 39,578.31

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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.