Home / 56,998.62-85,515.24-40,390.79

Finding the Fourth Proportional to 56,998.62, 85,515.24 and 40,390.79

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Solution

The fourth proportional to 56,998.62, 85,515.24 and 40,390.79 is: 60,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,998.62 : 85,515.24 = 40,390.79 : x
  2. Step 2: Convert to fraction form
    56,998.62/85,515.24 = 40,390.79/x
  3. Step 3: Cross multiply
    56,998.62x = 85,515.24 × 40,390.79
  4. Step 4: Simplify right side
    56,998.62x = 3,454,027,673.06
  5. Step 5: Solve for x
    x = 3,454,027,673.06/56,998.62
  6. Step 6: Final answer
    x = 60,598.44

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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.