Home / 38,650.37-53,339.04-21,654.76

Finding the Fourth Proportional to 38,650.37, 53,339.04 and 21,654.76

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Solution

The fourth proportional to 38,650.37, 53,339.04 and 21,654.76 is: 29,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,650.37 : 53,339.04 = 21,654.76 : x
  2. Step 2: Convert to fraction form
    38,650.37/53,339.04 = 21,654.76/x
  3. Step 3: Cross multiply
    38,650.37x = 53,339.04 × 21,654.76
  4. Step 4: Simplify right side
    38,650.37x = 1,155,043,897.27
  5. Step 5: Solve for x
    x = 1,155,043,897.27/38,650.37
  6. Step 6: Final answer
    x = 29,884.42

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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.