Home / 33,122.79-49,689.11-10,938.51

Finding the Fourth Proportional to 33,122.79, 49,689.11 and 10,938.51

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Solution

The fourth proportional to 33,122.79, 49,689.11 and 10,938.51 is: 16,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,122.79 : 49,689.11 = 10,938.51 : x
  2. Step 2: Convert to fraction form
    33,122.79/49,689.11 = 10,938.51/x
  3. Step 3: Cross multiply
    33,122.79x = 49,689.11 × 10,938.51
  4. Step 4: Simplify right side
    33,122.79x = 543,524,826.63
  5. Step 5: Solve for x
    x = 543,524,826.63/33,122.79
  6. Step 6: Final answer
    x = 16,409.39

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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.