Home / 74,602.07-111,906.82-21,301.95

Finding the Fourth Proportional to 74,602.07, 111,906.82 and 21,301.95

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Solution

The fourth proportional to 74,602.07, 111,906.82 and 21,301.95 is: 31,953.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,602.07 : 111,906.82 = 21,301.95 : x
  2. Step 2: Convert to fraction form
    74,602.07/111,906.82 = 21,301.95/x
  3. Step 3: Cross multiply
    74,602.07x = 111,906.82 × 21,301.95
  4. Step 4: Simplify right side
    74,602.07x = 2,383,833,431.04
  5. Step 5: Solve for x
    x = 2,383,833,431.04/74,602.07
  6. Step 6: Final answer
    x = 31,953.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.