Home / 20,035.69-30,019.01-13,277.12

Finding the Fourth Proportional to 20,035.69, 30,019.01 and 13,277.12

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Solution

The fourth proportional to 20,035.69, 30,019.01 and 13,277.12 is: 19,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.69 : 30,019.01 = 13,277.12 : x
  2. Step 2: Convert to fraction form
    20,035.69/30,019.01 = 13,277.12/x
  3. Step 3: Cross multiply
    20,035.69x = 30,019.01 × 13,277.12
  4. Step 4: Simplify right side
    20,035.69x = 398,565,781.57
  5. Step 5: Solve for x
    x = 398,565,781.57/20,035.69
  6. Step 6: Final answer
    x = 19,892.79

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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.