Home / 55,823.76-83,768.28-20,788.24

Finding the Fourth Proportional to 55,823.76, 83,768.28 and 20,788.24

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Solution

The fourth proportional to 55,823.76, 83,768.28 and 20,788.24 is: 31,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,823.76 : 83,768.28 = 20,788.24 : x
  2. Step 2: Convert to fraction form
    55,823.76/83,768.28 = 20,788.24/x
  3. Step 3: Cross multiply
    55,823.76x = 83,768.28 × 20,788.24
  4. Step 4: Simplify right side
    55,823.76x = 1,741,395,109.03
  5. Step 5: Solve for x
    x = 1,741,395,109.03/55,823.76
  6. Step 6: Final answer
    x = 31,194.51

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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.