Home / 52,257.27-78,332.22-20,654.49

Finding the Fourth Proportional to 52,257.27, 78,332.22 and 20,654.49

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Solution

The fourth proportional to 52,257.27, 78,332.22 and 20,654.49 is: 30,960.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,257.27 : 78,332.22 = 20,654.49 : x
  2. Step 2: Convert to fraction form
    52,257.27/78,332.22 = 20,654.49/x
  3. Step 3: Cross multiply
    52,257.27x = 78,332.22 × 20,654.49
  4. Step 4: Simplify right side
    52,257.27x = 1,617,912,054.67
  5. Step 5: Solve for x
    x = 1,617,912,054.67/52,257.27
  6. Step 6: Final answer
    x = 30,960.52

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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.