Home / 39,914.67-59,909.10-20,207.19

Finding the Fourth Proportional to 39,914.67, 59,909.10 and 20,207.19

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Solution

The fourth proportional to 39,914.67, 59,909.10 and 20,207.19 is: 30,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.67 : 59,909.10 = 20,207.19 : x
  2. Step 2: Convert to fraction form
    39,914.67/59,909.10 = 20,207.19/x
  3. Step 3: Cross multiply
    39,914.67x = 59,909.10 × 20,207.19
  4. Step 4: Simplify right side
    39,914.67x = 1,210,594,566.43
  5. Step 5: Solve for x
    x = 1,210,594,566.43/39,914.67
  6. Step 6: Final answer
    x = 30,329.56

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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.