Home / 55,825.67-77,040.86-30,331.78

Finding the Fourth Proportional to 55,825.67, 77,040.86 and 30,331.78

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Solution

The fourth proportional to 55,825.67, 77,040.86 and 30,331.78 is: 41,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,825.67 : 77,040.86 = 30,331.78 : x
  2. Step 2: Convert to fraction form
    55,825.67/77,040.86 = 30,331.78/x
  3. Step 3: Cross multiply
    55,825.67x = 77,040.86 × 30,331.78
  4. Step 4: Simplify right side
    55,825.67x = 2,336,786,416.53
  5. Step 5: Solve for x
    x = 2,336,786,416.53/55,825.67
  6. Step 6: Final answer
    x = 41,858.64

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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.