Home / 55,689.30-76,750.74-40,557.96

Finding the Fourth Proportional to 55,689.30, 76,750.74 and 40,557.96

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Solution

The fourth proportional to 55,689.30, 76,750.74 and 40,557.96 is: 55,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,689.30 : 76,750.74 = 40,557.96 : x
  2. Step 2: Convert to fraction form
    55,689.30/76,750.74 = 40,557.96/x
  3. Step 3: Cross multiply
    55,689.30x = 76,750.74 × 40,557.96
  4. Step 4: Simplify right side
    55,689.30x = 3,112,853,442.89
  5. Step 5: Solve for x
    x = 3,112,853,442.89/55,689.30
  6. Step 6: Final answer
    x = 55,896.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.