Home / 36,699.40-55,036.14-13,319.56

Finding the Fourth Proportional to 36,699.40, 55,036.14 and 13,319.56

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Solution

The fourth proportional to 36,699.40, 55,036.14 and 13,319.56 is: 19,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.40 : 55,036.14 = 13,319.56 : x
  2. Step 2: Convert to fraction form
    36,699.40/55,036.14 = 13,319.56/x
  3. Step 3: Cross multiply
    36,699.40x = 55,036.14 × 13,319.56
  4. Step 4: Simplify right side
    36,699.40x = 733,057,168.90
  5. Step 5: Solve for x
    x = 733,057,168.90/36,699.40
  6. Step 6: Final answer
    x = 19,974.64

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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.