Home / 39,101.28-53,947.08-22,103.88

Finding the Fourth Proportional to 39,101.28, 53,947.08 and 22,103.88

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Solution

The fourth proportional to 39,101.28, 53,947.08 and 22,103.88 is: 30,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,101.28 : 53,947.08 = 22,103.88 : x
  2. Step 2: Convert to fraction form
    39,101.28/53,947.08 = 22,103.88/x
  3. Step 3: Cross multiply
    39,101.28x = 53,947.08 × 22,103.88
  4. Step 4: Simplify right side
    39,101.28x = 1,192,439,782.67
  5. Step 5: Solve for x
    x = 1,192,439,782.67/39,101.28
  6. Step 6: Final answer
    x = 30,496.18

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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.