Home / 40,165.50-55,427.68-22,016.08

Finding the Fourth Proportional to 40,165.50, 55,427.68 and 22,016.08

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Solution

The fourth proportional to 40,165.50, 55,427.68 and 22,016.08 is: 30,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,165.50 : 55,427.68 = 22,016.08 : x
  2. Step 2: Convert to fraction form
    40,165.50/55,427.68 = 22,016.08/x
  3. Step 3: Cross multiply
    40,165.50x = 55,427.68 × 22,016.08
  4. Step 4: Simplify right side
    40,165.50x = 1,220,300,237.09
  5. Step 5: Solve for x
    x = 1,220,300,237.09/40,165.50
  6. Step 6: Final answer
    x = 30,381.80

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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.