Home / 20,040.80-30,061.16-8,038.36

Finding the Fourth Proportional to 20,040.80, 30,061.16 and 8,038.36

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Solution

The fourth proportional to 20,040.80, 30,061.16 and 8,038.36 is: 12,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.80 : 30,061.16 = 8,038.36 : x
  2. Step 2: Convert to fraction form
    20,040.80/30,061.16 = 8,038.36/x
  3. Step 3: Cross multiply
    20,040.80x = 30,061.16 × 8,038.36
  4. Step 4: Simplify right side
    20,040.80x = 241,642,310.75
  5. Step 5: Solve for x
    x = 241,642,310.75/20,040.80
  6. Step 6: Final answer
    x = 12,057.52

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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.