Home / 34,121.11-47,087.45-18,808.22

Finding the Fourth Proportional to 34,121.11, 47,087.45 and 18,808.22

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Solution

The fourth proportional to 34,121.11, 47,087.45 and 18,808.22 is: 25,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,121.11 : 47,087.45 = 18,808.22 : x
  2. Step 2: Convert to fraction form
    34,121.11/47,087.45 = 18,808.22/x
  3. Step 3: Cross multiply
    34,121.11x = 47,087.45 × 18,808.22
  4. Step 4: Simplify right side
    34,121.11x = 885,631,118.84
  5. Step 5: Solve for x
    x = 885,631,118.84/34,121.11
  6. Step 6: Final answer
    x = 25,955.52

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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.