Home / 39,942.14-59,909.11-21,202.29

Finding the Fourth Proportional to 39,942.14, 59,909.11 and 21,202.29

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Solution

The fourth proportional to 39,942.14, 59,909.11 and 21,202.29 is: 31,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.14 : 59,909.11 = 21,202.29 : x
  2. Step 2: Convert to fraction form
    39,942.14/59,909.11 = 21,202.29/x
  3. Step 3: Cross multiply
    39,942.14x = 59,909.11 × 21,202.29
  4. Step 4: Simplify right side
    39,942.14x = 1,270,210,221.62
  5. Step 5: Solve for x
    x = 1,270,210,221.62/39,942.14
  6. Step 6: Final answer
    x = 31,801.25

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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.