Home / 52,778.49-72,834.42-28,579.71

Finding the Fourth Proportional to 52,778.49, 72,834.42 and 28,579.71

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Solution

The fourth proportional to 52,778.49, 72,834.42 and 28,579.71 is: 39,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.49 : 72,834.42 = 28,579.71 : x
  2. Step 2: Convert to fraction form
    52,778.49/72,834.42 = 28,579.71/x
  3. Step 3: Cross multiply
    52,778.49x = 72,834.42 × 28,579.71
  4. Step 4: Simplify right side
    52,778.49x = 2,081,586,601.62
  5. Step 5: Solve for x
    x = 2,081,586,601.62/52,778.49
  6. Step 6: Final answer
    x = 39,440.06

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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.