Home / 39,393.72-54,322.02-25,947.78

Finding the Fourth Proportional to 39,393.72, 54,322.02 and 25,947.78

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Solution

The fourth proportional to 39,393.72, 54,322.02 and 25,947.78 is: 35,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393.72 : 54,322.02 = 25,947.78 : x
  2. Step 2: Convert to fraction form
    39,393.72/54,322.02 = 25,947.78/x
  3. Step 3: Cross multiply
    39,393.72x = 54,322.02 × 25,947.78
  4. Step 4: Simplify right side
    39,393.72x = 1,409,535,824.12
  5. Step 5: Solve for x
    x = 1,409,535,824.12/39,393.72
  6. Step 6: Final answer
    x = 35,780.72

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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.