Home / 39,942.48-59,869.98-20,193.87

Finding the Fourth Proportional to 39,942.48, 59,869.98 and 20,193.87

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Solution

The fourth proportional to 39,942.48, 59,869.98 and 20,193.87 is: 30,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.48 : 59,869.98 = 20,193.87 : x
  2. Step 2: Convert to fraction form
    39,942.48/59,869.98 = 20,193.87/x
  3. Step 3: Cross multiply
    39,942.48x = 59,869.98 × 20,193.87
  4. Step 4: Simplify right side
    39,942.48x = 1,209,006,593.02
  5. Step 5: Solve for x
    x = 1,209,006,593.02/39,942.48
  6. Step 6: Final answer
    x = 30,268.69

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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.