Home / 38,946.83-53,745.08-21,954.61

Finding the Fourth Proportional to 38,946.83, 53,745.08 and 21,954.61

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Solution

The fourth proportional to 38,946.83, 53,745.08 and 21,954.61 is: 30,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,946.83 : 53,745.08 = 21,954.61 : x
  2. Step 2: Convert to fraction form
    38,946.83/53,745.08 = 21,954.61/x
  3. Step 3: Cross multiply
    38,946.83x = 53,745.08 × 21,954.61
  4. Step 4: Simplify right side
    38,946.83x = 1,179,952,191.34
  5. Step 5: Solve for x
    x = 1,179,952,191.34/38,946.83
  6. Step 6: Final answer
    x = 30,296.49

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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.