Home / 52,738.65-72,780.53-28,866.33

Finding the Fourth Proportional to 52,738.65, 72,780.53 and 28,866.33

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Solution

The fourth proportional to 52,738.65, 72,780.53 and 28,866.33 is: 39,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,738.65 : 72,780.53 = 28,866.33 : x
  2. Step 2: Convert to fraction form
    52,738.65/72,780.53 = 28,866.33/x
  3. Step 3: Cross multiply
    52,738.65x = 72,780.53 × 28,866.33
  4. Step 4: Simplify right side
    52,738.65x = 2,100,906,652.22
  5. Step 5: Solve for x
    x = 2,100,906,652.22/52,738.65
  6. Step 6: Final answer
    x = 39,836.19

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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.