Home / 39,997.80-55,193.40-22,092.48

Finding the Fourth Proportional to 39,997.80, 55,193.40 and 22,092.48

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Solution

The fourth proportional to 39,997.80, 55,193.40 and 22,092.48 is: 30,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,997.80 : 55,193.40 = 22,092.48 : x
  2. Step 2: Convert to fraction form
    39,997.80/55,193.40 = 22,092.48/x
  3. Step 3: Cross multiply
    39,997.80x = 55,193.40 × 22,092.48
  4. Step 4: Simplify right side
    39,997.80x = 1,219,359,085.63
  5. Step 5: Solve for x
    x = 1,219,359,085.63/39,997.80
  6. Step 6: Final answer
    x = 30,485.65

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1.5x scale

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.