Home / 56,878.79-85,249.01-40,243.62

Finding the Fourth Proportional to 56,878.79, 85,249.01 and 40,243.62

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Solution

The fourth proportional to 56,878.79, 85,249.01 and 40,243.62 is: 60,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,878.79 : 85,249.01 = 40,243.62 : x
  2. Step 2: Convert to fraction form
    56,878.79/85,249.01 = 40,243.62/x
  3. Step 3: Cross multiply
    56,878.79x = 85,249.01 × 40,243.62
  4. Step 4: Simplify right side
    56,878.79x = 3,430,728,562.60
  5. Step 5: Solve for x
    x = 3,430,728,562.60/56,878.79
  6. Step 6: Final answer
    x = 60,316.49

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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.