Home / 38,412.35-52,990.20-25,668.66

Finding the Fourth Proportional to 38,412.35, 52,990.20 and 25,668.66

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Solution

The fourth proportional to 38,412.35, 52,990.20 and 25,668.66 is: 35,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,412.35 : 52,990.20 = 25,668.66 : x
  2. Step 2: Convert to fraction form
    38,412.35/52,990.20 = 25,668.66/x
  3. Step 3: Cross multiply
    38,412.35x = 52,990.20 × 25,668.66
  4. Step 4: Simplify right side
    38,412.35x = 1,360,187,625.85
  5. Step 5: Solve for x
    x = 1,360,187,625.85/38,412.35
  6. Step 6: Final answer
    x = 35,410.17

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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.