Home / 40,995.18-61,501.41-12,923.21

Finding the Fourth Proportional to 40,995.18, 61,501.41 and 12,923.21

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Solution

The fourth proportional to 40,995.18, 61,501.41 and 12,923.21 is: 19,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,995.18 : 61,501.41 = 12,923.21 : x
  2. Step 2: Convert to fraction form
    40,995.18/61,501.41 = 12,923.21/x
  3. Step 3: Cross multiply
    40,995.18x = 61,501.41 × 12,923.21
  4. Step 4: Simplify right side
    40,995.18x = 794,795,790.48
  5. Step 5: Solve for x
    x = 794,795,790.48/40,995.18
  6. Step 6: Final answer
    x = 19,387.54

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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.