Home / 55,570.95-76,687.40-30,076.80

Finding the Fourth Proportional to 55,570.95, 76,687.40 and 30,076.80

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Solution

The fourth proportional to 55,570.95, 76,687.40 and 30,076.80 is: 41,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,570.95 : 76,687.40 = 30,076.80 : x
  2. Step 2: Convert to fraction form
    55,570.95/76,687.40 = 30,076.80/x
  3. Step 3: Cross multiply
    55,570.95x = 76,687.40 × 30,076.80
  4. Step 4: Simplify right side
    55,570.95x = 2,306,511,441.94
  5. Step 5: Solve for x
    x = 2,306,511,441.94/55,570.95
  6. Step 6: Final answer
    x = 41,505.70

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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.