Home / 55,211.29-76,185.86-31,014.97

Finding the Fourth Proportional to 55,211.29, 76,185.86 and 31,014.97

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Solution

The fourth proportional to 55,211.29, 76,185.86 and 31,014.97 is: 42,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,211.29 : 76,185.86 = 31,014.97 : x
  2. Step 2: Convert to fraction form
    55,211.29/76,185.86 = 31,014.97/x
  3. Step 3: Cross multiply
    55,211.29x = 76,185.86 × 31,014.97
  4. Step 4: Simplify right side
    55,211.29x = 2,362,901,816.78
  5. Step 5: Solve for x
    x = 2,362,901,816.78/55,211.29
  6. Step 6: Final answer
    x = 42,797.44

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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.