Home / 39,770.28-59,667.66-20,042.19

Finding the Fourth Proportional to 39,770.28, 59,667.66 and 20,042.19

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Solution

The fourth proportional to 39,770.28, 59,667.66 and 20,042.19 is: 30,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,770.28 : 59,667.66 = 20,042.19 : x
  2. Step 2: Convert to fraction form
    39,770.28/59,667.66 = 20,042.19/x
  3. Step 3: Cross multiply
    39,770.28x = 59,667.66 × 20,042.19
  4. Step 4: Simplify right side
    39,770.28x = 1,195,870,578.58
  5. Step 5: Solve for x
    x = 1,195,870,578.58/39,770.28
  6. Step 6: Final answer
    x = 30,069.45

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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.