Home / 31,775.70-43,851.29-17,436.15

Finding the Fourth Proportional to 31,775.70, 43,851.29 and 17,436.15

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Solution

The fourth proportional to 31,775.70, 43,851.29 and 17,436.15 is: 24,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,775.70 : 43,851.29 = 17,436.15 : x
  2. Step 2: Convert to fraction form
    31,775.70/43,851.29 = 17,436.15/x
  3. Step 3: Cross multiply
    31,775.70x = 43,851.29 × 17,436.15
  4. Step 4: Simplify right side
    31,775.70x = 764,597,582.95
  5. Step 5: Solve for x
    x = 764,597,582.95/31,775.70
  6. Step 6: Final answer
    x = 24,062.33

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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.