Home / 52,143.09-71,957.82-28,270.14

Finding the Fourth Proportional to 52,143.09, 71,957.82 and 28,270.14

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Solution

The fourth proportional to 52,143.09, 71,957.82 and 28,270.14 is: 39,012.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,143.09 : 71,957.82 = 28,270.14 : x
  2. Step 2: Convert to fraction form
    52,143.09/71,957.82 = 28,270.14/x
  3. Step 3: Cross multiply
    52,143.09x = 71,957.82 × 28,270.14
  4. Step 4: Simplify right side
    52,143.09x = 2,034,257,645.49
  5. Step 5: Solve for x
    x = 2,034,257,645.49/52,143.09
  6. Step 6: Final answer
    x = 39,012.99

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1.5x scale

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.