Home / 52,342.70-72,232.32-28,468.86

Finding the Fourth Proportional to 52,342.70, 72,232.32 and 28,468.86

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Solution

The fourth proportional to 52,342.70, 72,232.32 and 28,468.86 is: 39,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,342.70 : 72,232.32 = 28,468.86 : x
  2. Step 2: Convert to fraction form
    52,342.70/72,232.32 = 28,468.86/x
  3. Step 3: Cross multiply
    52,342.70x = 72,232.32 × 28,468.86
  4. Step 4: Simplify right side
    52,342.70x = 2,056,371,805.56
  5. Step 5: Solve for x
    x = 2,056,371,805.56/52,342.70
  6. Step 6: Final answer
    x = 39,286.70

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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.