Home / 56,998.74-85,515.42-30,340.20

Finding the Fourth Proportional to 56,998.74, 85,515.42 and 30,340.20

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Solution

The fourth proportional to 56,998.74, 85,515.42 and 30,340.20 is: 45,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,998.74 : 85,515.42 = 30,340.20 : x
  2. Step 2: Convert to fraction form
    56,998.74/85,515.42 = 30,340.20/x
  3. Step 3: Cross multiply
    56,998.74x = 85,515.42 × 30,340.20
  4. Step 4: Simplify right side
    56,998.74x = 2,594,554,945.88
  5. Step 5: Solve for x
    x = 2,594,554,945.88/56,998.74
  6. Step 6: Final answer
    x = 45,519.51

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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.