Home / 36,699.10-55,048.65-21,147.10

Finding the Fourth Proportional to 36,699.10, 55,048.65 and 21,147.10

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Solution

The fourth proportional to 36,699.10, 55,048.65 and 21,147.10 is: 31,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.10 : 55,048.65 = 21,147.10 : x
  2. Step 2: Convert to fraction form
    36,699.10/55,048.65 = 21,147.10/x
  3. Step 3: Cross multiply
    36,699.10x = 55,048.65 × 21,147.10
  4. Step 4: Simplify right side
    36,699.10x = 1,164,119,306.42
  5. Step 5: Solve for x
    x = 1,164,119,306.42/36,699.10
  6. Step 6: Final answer
    x = 31,720.65

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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.