Home / 36,866.34-55,266.30-13,487.31

Finding the Fourth Proportional to 36,866.34, 55,266.30 and 13,487.31

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Solution

The fourth proportional to 36,866.34, 55,266.30 and 13,487.31 is: 20,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,866.34 : 55,266.30 = 13,487.31 : x
  2. Step 2: Convert to fraction form
    36,866.34/55,266.30 = 13,487.31/x
  3. Step 3: Cross multiply
    36,866.34x = 55,266.30 × 13,487.31
  4. Step 4: Simplify right side
    36,866.34x = 745,393,720.65
  5. Step 5: Solve for x
    x = 745,393,720.65/36,866.34
  6. Step 6: Final answer
    x = 20,218.82

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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.