Home / 56,107.95-77,409.81-31,906.50

Finding the Fourth Proportional to 56,107.95, 77,409.81 and 31,906.50

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Solution

The fourth proportional to 56,107.95, 77,409.81 and 31,906.50 is: 44,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,107.95 : 77,409.81 = 31,906.50 : x
  2. Step 2: Convert to fraction form
    56,107.95/77,409.81 = 31,906.50/x
  3. Step 3: Cross multiply
    56,107.95x = 77,409.81 × 31,906.50
  4. Step 4: Simplify right side
    56,107.95x = 2,469,876,102.77
  5. Step 5: Solve for x
    x = 2,469,876,102.77/56,107.95
  6. Step 6: Final answer
    x = 44,020.07

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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.