Home / 40,206.11-55,448.11-25,100.17

Finding the Fourth Proportional to 40,206.11, 55,448.11 and 25,100.17

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Solution

The fourth proportional to 40,206.11, 55,448.11 and 25,100.17 is: 34,615.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,206.11 : 55,448.11 = 25,100.17 : x
  2. Step 2: Convert to fraction form
    40,206.11/55,448.11 = 25,100.17/x
  3. Step 3: Cross multiply
    40,206.11x = 55,448.11 × 25,100.17
  4. Step 4: Simplify right side
    40,206.11x = 1,391,756,987.18
  5. Step 5: Solve for x
    x = 1,391,756,987.18/40,206.11
  6. Step 6: Final answer
    x = 34,615.56

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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.