Home / 55,860.36-77,087.80-30,366.78

Finding the Fourth Proportional to 55,860.36, 77,087.80 and 30,366.78

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Solution

The fourth proportional to 55,860.36, 77,087.80 and 30,366.78 is: 41,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,860.36 : 77,087.80 = 30,366.78 : x
  2. Step 2: Convert to fraction form
    55,860.36/77,087.80 = 30,366.78/x
  3. Step 3: Cross multiply
    55,860.36x = 77,087.80 × 30,366.78
  4. Step 4: Simplify right side
    55,860.36x = 2,340,908,146.48
  5. Step 5: Solve for x
    x = 2,340,908,146.48/55,860.36
  6. Step 6: Final answer
    x = 41,906.43

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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.