Home / 36,019.74-54,036.62-13,831.49

Finding the Fourth Proportional to 36,019.74, 54,036.62 and 13,831.49

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Solution

The fourth proportional to 36,019.74, 54,036.62 and 13,831.49 is: 20,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.74 : 54,036.62 = 13,831.49 : x
  2. Step 2: Convert to fraction form
    36,019.74/54,036.62 = 13,831.49/x
  3. Step 3: Cross multiply
    36,019.74x = 54,036.62 × 13,831.49
  4. Step 4: Simplify right side
    36,019.74x = 747,406,629.82
  5. Step 5: Solve for x
    x = 747,406,629.82/36,019.74
  6. Step 6: Final answer
    x = 20,749.92

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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.