Home / 39,072-53,926.65-22,305

Finding the Fourth Proportional to 39,072, 53,926.65 and 22,305

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Solution

The fourth proportional to 39,072, 53,926.65 and 22,305 is: 30,785.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072 : 53,926.65 = 22,305 : x
  2. Step 2: Convert to fraction form
    39,072/53,926.65 = 22,305/x
  3. Step 3: Cross multiply
    39,072x = 53,926.65 × 22,305
  4. Step 4: Simplify right side
    39,072x = 1,202,833,928.25
  5. Step 5: Solve for x
    x = 1,202,833,928.25/39,072
  6. Step 6: Final answer
    x = 30,785.06

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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.