Home / 20,382.83-30,570.96-5,588.31

Finding the Fourth Proportional to 20,382.83, 30,570.96 and 5,588.31

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Solution

The fourth proportional to 20,382.83, 30,570.96 and 5,588.31 is: 8,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382.83 : 30,570.96 = 5,588.31 : x
  2. Step 2: Convert to fraction form
    20,382.83/30,570.96 = 5,588.31/x
  3. Step 3: Cross multiply
    20,382.83x = 30,570.96 × 5,588.31
  4. Step 4: Simplify right side
    20,382.83x = 170,840,001.48
  5. Step 5: Solve for x
    x = 170,840,001.48/20,382.83
  6. Step 6: Final answer
    x = 8,381.57

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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.