Home / 40,234.11-55,497.81-25,912.50

Finding the Fourth Proportional to 40,234.11, 55,497.81 and 25,912.50

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Solution

The fourth proportional to 40,234.11, 55,497.81 and 25,912.50 is: 35,742.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.11 : 55,497.81 = 25,912.50 : x
  2. Step 2: Convert to fraction form
    40,234.11/55,497.81 = 25,912.50/x
  3. Step 3: Cross multiply
    40,234.11x = 55,497.81 × 25,912.50
  4. Step 4: Simplify right side
    40,234.11x = 1,438,087,001.63
  5. Step 5: Solve for x
    x = 1,438,087,001.63/40,234.11
  6. Step 6: Final answer
    x = 35,742.98

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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.