Home / 79,561.54-119,342.46-20,397.42

Finding the Fourth Proportional to 79,561.54, 119,342.46 and 20,397.42

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Solution

The fourth proportional to 79,561.54, 119,342.46 and 20,397.42 is: 30,596.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,561.54 : 119,342.46 = 20,397.42 : x
  2. Step 2: Convert to fraction form
    79,561.54/119,342.46 = 20,397.42/x
  3. Step 3: Cross multiply
    79,561.54x = 119,342.46 × 20,397.42
  4. Step 4: Simplify right side
    79,561.54x = 2,434,278,356.94
  5. Step 5: Solve for x
    x = 2,434,278,356.94/79,561.54
  6. Step 6: Final answer
    x = 30,596.17

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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.