Home / 56,960.32-85,309.20-39,442.56

Finding the Fourth Proportional to 56,960.32, 85,309.20 and 39,442.56

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Solution

The fourth proportional to 56,960.32, 85,309.20 and 39,442.56 is: 59,072.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,960.32 : 85,309.20 = 39,442.56 : x
  2. Step 2: Convert to fraction form
    56,960.32/85,309.20 = 39,442.56/x
  3. Step 3: Cross multiply
    56,960.32x = 85,309.20 × 39,442.56
  4. Step 4: Simplify right side
    56,960.32x = 3,364,813,239.55
  5. Step 5: Solve for x
    x = 3,364,813,239.55/56,960.32
  6. Step 6: Final answer
    x = 59,072.93

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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.