Home / 39,399.61-54,364.65-22,169.57

Finding the Fourth Proportional to 39,399.61, 54,364.65 and 22,169.57

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Solution

The fourth proportional to 39,399.61, 54,364.65 and 22,169.57 is: 30,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,399.61 : 54,364.65 = 22,169.57 : x
  2. Step 2: Convert to fraction form
    39,399.61/54,364.65 = 22,169.57/x
  3. Step 3: Cross multiply
    39,399.61x = 54,364.65 × 22,169.57
  4. Step 4: Simplify right side
    39,399.61x = 1,205,240,913.70
  5. Step 5: Solve for x
    x = 1,205,240,913.70/39,399.61
  6. Step 6: Final answer
    x = 30,590.18

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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.