Home / 53,211.28-79,809.39-15,775.33

Finding the Fourth Proportional to 53,211.28, 79,809.39 and 15,775.33

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Solution

The fourth proportional to 53,211.28, 79,809.39 and 15,775.33 is: 23,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211.28 : 79,809.39 = 15,775.33 : x
  2. Step 2: Convert to fraction form
    53,211.28/79,809.39 = 15,775.33/x
  3. Step 3: Cross multiply
    53,211.28x = 79,809.39 × 15,775.33
  4. Step 4: Simplify right side
    53,211.28x = 1,259,019,464.35
  5. Step 5: Solve for x
    x = 1,259,019,464.35/53,211.28
  6. Step 6: Final answer
    x = 23,660.76

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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.