Home / 39,964.70-59,983.86-20,257.04

Finding the Fourth Proportional to 39,964.70, 59,983.86 and 20,257.04

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Solution

The fourth proportional to 39,964.70, 59,983.86 and 20,257.04 is: 30,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,964.70 : 59,983.86 = 20,257.04 : x
  2. Step 2: Convert to fraction form
    39,964.70/59,983.86 = 20,257.04/x
  3. Step 3: Cross multiply
    39,964.70x = 59,983.86 × 20,257.04
  4. Step 4: Simplify right side
    39,964.70x = 1,215,095,451.37
  5. Step 5: Solve for x
    x = 1,215,095,451.37/39,964.70
  6. Step 6: Final answer
    x = 30,404.22

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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.