Home / 56,895.89-85,361.13-40,288.05

Finding the Fourth Proportional to 56,895.89, 85,361.13 and 40,288.05

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Solution

The fourth proportional to 56,895.89, 85,361.13 and 40,288.05 is: 60,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,895.89 : 85,361.13 = 40,288.05 : x
  2. Step 2: Convert to fraction form
    56,895.89/85,361.13 = 40,288.05/x
  3. Step 3: Cross multiply
    56,895.89x = 85,361.13 × 40,288.05
  4. Step 4: Simplify right side
    56,895.89x = 3,439,033,473.50
  5. Step 5: Solve for x
    x = 3,439,033,473.50/56,895.89
  6. Step 6: Final answer
    x = 60,444.33

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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.