Home / 45,093.34-67,639.95-18,087.87

Finding the Fourth Proportional to 45,093.34, 67,639.95 and 18,087.87

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Solution

The fourth proportional to 45,093.34, 67,639.95 and 18,087.87 is: 27,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,093.34 : 67,639.95 = 18,087.87 : x
  2. Step 2: Convert to fraction form
    45,093.34/67,639.95 = 18,087.87/x
  3. Step 3: Cross multiply
    45,093.34x = 67,639.95 × 18,087.87
  4. Step 4: Simplify right side
    45,093.34x = 1,223,462,622.41
  5. Step 5: Solve for x
    x = 1,223,462,622.41/45,093.34
  6. Step 6: Final answer
    x = 27,131.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.