Home / 55,505.96-83,291.74-20,470.22

Finding the Fourth Proportional to 55,505.96, 83,291.74 and 20,470.22

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Solution

The fourth proportional to 55,505.96, 83,291.74 and 20,470.22 is: 30,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,505.96 : 83,291.74 = 20,470.22 : x
  2. Step 2: Convert to fraction form
    55,505.96/83,291.74 = 20,470.22/x
  3. Step 3: Cross multiply
    55,505.96x = 83,291.74 × 20,470.22
  4. Step 4: Simplify right side
    55,505.96x = 1,705,000,241.98
  5. Step 5: Solve for x
    x = 1,705,000,241.98/55,505.96
  6. Step 6: Final answer
    x = 30,717.43

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1.5x scale

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.