Home / 55,895.16-77,135.68-30,401.88

Finding the Fourth Proportional to 55,895.16, 77,135.68 and 30,401.88

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Solution

The fourth proportional to 55,895.16, 77,135.68 and 30,401.88 is: 41,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,895.16 : 77,135.68 = 30,401.88 : x
  2. Step 2: Convert to fraction form
    55,895.16/77,135.68 = 30,401.88/x
  3. Step 3: Cross multiply
    55,895.16x = 77,135.68 × 30,401.88
  4. Step 4: Simplify right side
    55,895.16x = 2,345,069,687.08
  5. Step 5: Solve for x
    x = 2,345,069,687.08/55,895.16
  6. Step 6: Final answer
    x = 41,954.79

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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.