Home / 39,103.08-53,959.53-22,108.15

Finding the Fourth Proportional to 39,103.08, 53,959.53 and 22,108.15

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Solution

The fourth proportional to 39,103.08, 53,959.53 and 22,108.15 is: 30,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,103.08 : 53,959.53 = 22,108.15 : x
  2. Step 2: Convert to fraction form
    39,103.08/53,959.53 = 22,108.15/x
  3. Step 3: Cross multiply
    39,103.08x = 53,959.53 × 22,108.15
  4. Step 4: Simplify right side
    39,103.08x = 1,192,945,383.17
  5. Step 5: Solve for x
    x = 1,192,945,383.17/39,103.08
  6. Step 6: Final answer
    x = 30,507.71

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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.