Home / 55,860.49-77,087.98-30,366.90

Finding the Fourth Proportional to 55,860.49, 77,087.98 and 30,366.90

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Solution

The fourth proportional to 55,860.49, 77,087.98 and 30,366.90 is: 41,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,860.49 : 77,087.98 = 30,366.90 : x
  2. Step 2: Convert to fraction form
    55,860.49/77,087.98 = 30,366.90/x
  3. Step 3: Cross multiply
    55,860.49x = 77,087.98 × 30,366.90
  4. Step 4: Simplify right side
    55,860.49x = 2,340,923,020.75
  5. Step 5: Solve for x
    x = 2,340,923,020.75/55,860.49
  6. Step 6: Final answer
    x = 41,906.60

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1.5x scale

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.