Home / 45,072.05-67,619.15-15,490.31

Finding the Fourth Proportional to 45,072.05, 67,619.15 and 15,490.31

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Solution

The fourth proportional to 45,072.05, 67,619.15 and 15,490.31 is: 23,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,072.05 : 67,619.15 = 15,490.31 : x
  2. Step 2: Convert to fraction form
    45,072.05/67,619.15 = 15,490.31/x
  3. Step 3: Cross multiply
    45,072.05x = 67,619.15 × 15,490.31
  4. Step 4: Simplify right side
    45,072.05x = 1,047,441,517.98
  5. Step 5: Solve for x
    x = 1,047,441,517.98/45,072.05
  6. Step 6: Final answer
    x = 23,239.27

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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.