Home / 39,913.08-59,887.26-20,933.16

Finding the Fourth Proportional to 39,913.08, 59,887.26 and 20,933.16

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Solution

The fourth proportional to 39,913.08, 59,887.26 and 20,933.16 is: 31,408.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.08 : 59,887.26 = 20,933.16 : x
  2. Step 2: Convert to fraction form
    39,913.08/59,887.26 = 20,933.16/x
  3. Step 3: Cross multiply
    39,913.08x = 59,887.26 × 20,933.16
  4. Step 4: Simplify right side
    39,913.08x = 1,253,629,595.54
  5. Step 5: Solve for x
    x = 1,253,629,595.54/39,913.08
  6. Step 6: Final answer
    x = 31,408.99

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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.