Home / 36,309.04-50,119.35-21,969.61

Finding the Fourth Proportional to 36,309.04, 50,119.35 and 21,969.61

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Solution

The fourth proportional to 36,309.04, 50,119.35 and 21,969.61 is: 30,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.04 : 50,119.35 = 21,969.61 : x
  2. Step 2: Convert to fraction form
    36,309.04/50,119.35 = 21,969.61/x
  3. Step 3: Cross multiply
    36,309.04x = 50,119.35 × 21,969.61
  4. Step 4: Simplify right side
    36,309.04x = 1,101,102,572.95
  5. Step 5: Solve for x
    x = 1,101,102,572.95/36,309.04
  6. Step 6: Final answer
    x = 30,325.85

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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.