Home / 55,734.30-76,919.67-33,378.30

Finding the Fourth Proportional to 55,734.30, 76,919.67 and 33,378.30

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Solution

The fourth proportional to 55,734.30, 76,919.67 and 33,378.30 is: 46,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,734.30 : 76,919.67 = 33,378.30 : x
  2. Step 2: Convert to fraction form
    55,734.30/76,919.67 = 33,378.30/x
  3. Step 3: Cross multiply
    55,734.30x = 76,919.67 × 33,378.30
  4. Step 4: Simplify right side
    55,734.30x = 2,567,447,821.16
  5. Step 5: Solve for x
    x = 2,567,447,821.16/55,734.30
  6. Step 6: Final answer
    x = 46,065.85

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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.