Home / 39,561.35-54,599.01-25,221.69

Finding the Fourth Proportional to 39,561.35, 54,599.01 and 25,221.69

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Solution

The fourth proportional to 39,561.35, 54,599.01 and 25,221.69 is: 34,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,561.35 : 54,599.01 = 25,221.69 : x
  2. Step 2: Convert to fraction form
    39,561.35/54,599.01 = 25,221.69/x
  3. Step 3: Cross multiply
    39,561.35x = 54,599.01 × 25,221.69
  4. Step 4: Simplify right side
    39,561.35x = 1,377,079,268.99
  5. Step 5: Solve for x
    x = 1,377,079,268.99/39,561.35
  6. Step 6: Final answer
    x = 34,808.70

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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.