Home / 40,357.51-55,690.61-22,451.85

Finding the Fourth Proportional to 40,357.51, 55,690.61 and 22,451.85

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Solution

The fourth proportional to 40,357.51, 55,690.61 and 22,451.85 is: 30,982.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,357.51 : 55,690.61 = 22,451.85 : x
  2. Step 2: Convert to fraction form
    40,357.51/55,690.61 = 22,451.85/x
  3. Step 3: Cross multiply
    40,357.51x = 55,690.61 × 22,451.85
  4. Step 4: Simplify right side
    40,357.51x = 1,250,357,109.87
  5. Step 5: Solve for x
    x = 1,250,357,109.87/40,357.51
  6. Step 6: Final answer
    x = 30,982.02

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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.