Home / 39,612.59-54,666.88-22,619.60

Finding the Fourth Proportional to 39,612.59, 54,666.88 and 22,619.60

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Solution

The fourth proportional to 39,612.59, 54,666.88 and 22,619.60 is: 31,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,612.59 : 54,666.88 = 22,619.60 : x
  2. Step 2: Convert to fraction form
    39,612.59/54,666.88 = 22,619.60/x
  3. Step 3: Cross multiply
    39,612.59x = 54,666.88 × 22,619.60
  4. Step 4: Simplify right side
    39,612.59x = 1,236,542,958.85
  5. Step 5: Solve for x
    x = 1,236,542,958.85/39,612.59
  6. Step 6: Final answer
    x = 31,215.91

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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.