Home / 49,773.70-74,660.41-40,990.06

Finding the Fourth Proportional to 49,773.70, 74,660.41 and 40,990.06

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Solution

The fourth proportional to 49,773.70, 74,660.41 and 40,990.06 is: 61,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,773.70 : 74,660.41 = 40,990.06 : x
  2. Step 2: Convert to fraction form
    49,773.70/74,660.41 = 40,990.06/x
  3. Step 3: Cross multiply
    49,773.70x = 74,660.41 × 40,990.06
  4. Step 4: Simplify right side
    49,773.70x = 3,060,334,685.52
  5. Step 5: Solve for x
    x = 3,060,334,685.52/49,773.70
  6. Step 6: Final answer
    x = 61,484.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.