Home / 52,309.80-72,188.24-28,436.99

Finding the Fourth Proportional to 52,309.80, 72,188.24 and 28,436.99

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Solution

The fourth proportional to 52,309.80, 72,188.24 and 28,436.99 is: 39,243.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,309.80 : 72,188.24 = 28,436.99 : x
  2. Step 2: Convert to fraction form
    52,309.80/72,188.24 = 28,436.99/x
  3. Step 3: Cross multiply
    52,309.80x = 72,188.24 × 28,436.99
  4. Step 4: Simplify right side
    52,309.80x = 2,052,815,937.37
  5. Step 5: Solve for x
    x = 2,052,815,937.37/52,309.80
  6. Step 6: Final answer
    x = 39,243.43

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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.