Home / 38,919.50-53,708.97-22,152.50

Finding the Fourth Proportional to 38,919.50, 53,708.97 and 22,152.50

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Solution

The fourth proportional to 38,919.50, 53,708.97 and 22,152.50 is: 30,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.50 : 53,708.97 = 22,152.50 : x
  2. Step 2: Convert to fraction form
    38,919.50/53,708.97 = 22,152.50/x
  3. Step 3: Cross multiply
    38,919.50x = 53,708.97 × 22,152.50
  4. Step 4: Simplify right side
    38,919.50x = 1,189,787,957.93
  5. Step 5: Solve for x
    x = 1,189,787,957.93/38,919.50
  6. Step 6: Final answer
    x = 30,570.48

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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.