Home / 39,309.83-54,239.11-23,391.17

Finding the Fourth Proportional to 39,309.83, 54,239.11 and 23,391.17

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Solution

The fourth proportional to 39,309.83, 54,239.11 and 23,391.17 is: 32,274.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,309.83 : 54,239.11 = 23,391.17 : x
  2. Step 2: Convert to fraction form
    39,309.83/54,239.11 = 23,391.17/x
  3. Step 3: Cross multiply
    39,309.83x = 54,239.11 × 23,391.17
  4. Step 4: Simplify right side
    39,309.83x = 1,268,716,242.66
  5. Step 5: Solve for x
    x = 1,268,716,242.66/39,309.83
  6. Step 6: Final answer
    x = 32,274.78

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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.