Home / 39,947.87-55,118.22-24,421.59

Finding the Fourth Proportional to 39,947.87, 55,118.22 and 24,421.59

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Solution

The fourth proportional to 39,947.87, 55,118.22 and 24,421.59 is: 33,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,947.87 : 55,118.22 = 24,421.59 : x
  2. Step 2: Convert to fraction form
    39,947.87/55,118.22 = 24,421.59/x
  3. Step 3: Cross multiply
    39,947.87x = 55,118.22 × 24,421.59
  4. Step 4: Simplify right side
    39,947.87x = 1,346,074,570.37
  5. Step 5: Solve for x
    x = 1,346,074,570.37/39,947.87
  6. Step 6: Final answer
    x = 33,695.78

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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.