Home / 45,172.11-67,767.26-15,591.09

Finding the Fourth Proportional to 45,172.11, 67,767.26 and 15,591.09

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Solution

The fourth proportional to 45,172.11, 67,767.26 and 15,591.09 is: 23,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,172.11 : 67,767.26 = 15,591.09 : x
  2. Step 2: Convert to fraction form
    45,172.11/67,767.26 = 15,591.09/x
  3. Step 3: Cross multiply
    45,172.11x = 67,767.26 × 15,591.09
  4. Step 4: Simplify right side
    45,172.11x = 1,056,565,371.76
  5. Step 5: Solve for x
    x = 1,056,565,371.76/45,172.11
  6. Step 6: Final answer
    x = 23,389.77

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1.5x scale

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.