Home / 55,856.16-77,081.90-30,362.54

Finding the Fourth Proportional to 55,856.16, 77,081.90 and 30,362.54

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Solution

The fourth proportional to 55,856.16, 77,081.90 and 30,362.54 is: 41,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,856.16 : 77,081.90 = 30,362.54 : x
  2. Step 2: Convert to fraction form
    55,856.16/77,081.90 = 30,362.54/x
  3. Step 3: Cross multiply
    55,856.16x = 77,081.90 × 30,362.54
  4. Step 4: Simplify right side
    55,856.16x = 2,340,401,734.80
  5. Step 5: Solve for x
    x = 2,340,401,734.80/55,856.16
  6. Step 6: Final answer
    x = 41,900.51

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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.