Home / 39,219.86-54,124.61-24,121.40

Finding the Fourth Proportional to 39,219.86, 54,124.61 and 24,121.40

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Solution

The fourth proportional to 39,219.86, 54,124.61 and 24,121.40 is: 33,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.86 : 54,124.61 = 24,121.40 : x
  2. Step 2: Convert to fraction form
    39,219.86/54,124.61 = 24,121.40/x
  3. Step 3: Cross multiply
    39,219.86x = 54,124.61 × 24,121.40
  4. Step 4: Simplify right side
    39,219.86x = 1,305,560,976.42
  5. Step 5: Solve for x
    x = 1,305,560,976.42/39,219.86
  6. Step 6: Final answer
    x = 33,288.26

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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.