Home / 39,298.08-54,230.40-22,530

Finding the Fourth Proportional to 39,298.08, 54,230.40 and 22,530

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Solution

The fourth proportional to 39,298.08, 54,230.40 and 22,530 is: 31,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,298.08 : 54,230.40 = 22,530 : x
  2. Step 2: Convert to fraction form
    39,298.08/54,230.40 = 22,530/x
  3. Step 3: Cross multiply
    39,298.08x = 54,230.40 × 22,530
  4. Step 4: Simplify right side
    39,298.08x = 1,221,810,912
  5. Step 5: Solve for x
    x = 1,221,810,912/39,298.08
  6. Step 6: Final answer
    x = 31,090.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.