Home / 52,640.91-72,644.49-28,767.58

Finding the Fourth Proportional to 52,640.91, 72,644.49 and 28,767.58

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Solution

The fourth proportional to 52,640.91, 72,644.49 and 28,767.58 is: 39,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,640.91 : 72,644.49 = 28,767.58 : x
  2. Step 2: Convert to fraction form
    52,640.91/72,644.49 = 28,767.58/x
  3. Step 3: Cross multiply
    52,640.91x = 72,644.49 × 28,767.58
  4. Step 4: Simplify right side
    52,640.91x = 2,089,806,425.90
  5. Step 5: Solve for x
    x = 2,089,806,425.90/52,640.91
  6. Step 6: Final answer
    x = 39,699.28

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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.