Home / 45,172.49-67,767.83-15,591.47

Finding the Fourth Proportional to 45,172.49, 67,767.83 and 15,591.47

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Solution

The fourth proportional to 45,172.49, 67,767.83 and 15,591.47 is: 23,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,172.49 : 67,767.83 = 15,591.47 : x
  2. Step 2: Convert to fraction form
    45,172.49/67,767.83 = 15,591.47/x
  3. Step 3: Cross multiply
    45,172.49x = 67,767.83 × 15,591.47
  4. Step 4: Simplify right side
    45,172.49x = 1,056,599,671.61
  5. Step 5: Solve for x
    x = 1,056,599,671.61/45,172.49
  6. Step 6: Final answer
    x = 23,390.34

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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.