Home / 36,154.81-49,894.68-20,239.17

Finding the Fourth Proportional to 36,154.81, 49,894.68 and 20,239.17

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Solution

The fourth proportional to 36,154.81, 49,894.68 and 20,239.17 is: 27,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,154.81 : 49,894.68 = 20,239.17 : x
  2. Step 2: Convert to fraction form
    36,154.81/49,894.68 = 20,239.17/x
  3. Step 3: Cross multiply
    36,154.81x = 49,894.68 × 20,239.17
  4. Step 4: Simplify right side
    36,154.81x = 1,009,826,910.62
  5. Step 5: Solve for x
    x = 1,009,826,910.62/36,154.81
  6. Step 6: Final answer
    x = 27,930.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.