Home / 39,809.01-59,727.87-20,072.70

Finding the Fourth Proportional to 39,809.01, 59,727.87 and 20,072.70

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Solution

The fourth proportional to 39,809.01, 59,727.87 and 20,072.70 is: 30,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,809.01 : 59,727.87 = 20,072.70 : x
  2. Step 2: Convert to fraction form
    39,809.01/59,727.87 = 20,072.70/x
  3. Step 3: Cross multiply
    39,809.01x = 59,727.87 × 20,072.70
  4. Step 4: Simplify right side
    39,809.01x = 1,198,899,616.15
  5. Step 5: Solve for x
    x = 1,198,899,616.15/39,809.01
  6. Step 6: Final answer
    x = 30,116.29

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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.