Home / 55,812.75-77,022.95-31,947.11

Finding the Fourth Proportional to 55,812.75, 77,022.95 and 31,947.11

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Solution

The fourth proportional to 55,812.75, 77,022.95 and 31,947.11 is: 44,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,812.75 : 77,022.95 = 31,947.11 : x
  2. Step 2: Convert to fraction form
    55,812.75/77,022.95 = 31,947.11/x
  3. Step 3: Cross multiply
    55,812.75x = 77,022.95 × 31,947.11
  4. Step 4: Simplify right side
    55,812.75x = 2,460,660,579.86
  5. Step 5: Solve for x
    x = 2,460,660,579.86/55,812.75
  6. Step 6: Final answer
    x = 44,087.79

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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.