Home / 39,826.60-54,958.20-22,830.88

Finding the Fourth Proportional to 39,826.60, 54,958.20 and 22,830.88

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Solution

The fourth proportional to 39,826.60, 54,958.20 and 22,830.88 is: 31,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,826.60 : 54,958.20 = 22,830.88 : x
  2. Step 2: Convert to fraction form
    39,826.60/54,958.20 = 22,830.88/x
  3. Step 3: Cross multiply
    39,826.60x = 54,958.20 × 22,830.88
  4. Step 4: Simplify right side
    39,826.60x = 1,254,744,069.22
  5. Step 5: Solve for x
    x = 1,254,744,069.22/39,826.60
  6. Step 6: Final answer
    x = 31,505.18

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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.