Home / 60,912.06-91,377.96-18,782.31

Finding the Fourth Proportional to 60,912.06, 91,377.96 and 18,782.31

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Solution

The fourth proportional to 60,912.06, 91,377.96 and 18,782.31 is: 28,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,912.06 : 91,377.96 = 18,782.31 : x
  2. Step 2: Convert to fraction form
    60,912.06/91,377.96 = 18,782.31/x
  3. Step 3: Cross multiply
    60,912.06x = 91,377.96 × 18,782.31
  4. Step 4: Simplify right side
    60,912.06x = 1,716,289,171.89
  5. Step 5: Solve for x
    x = 1,716,289,171.89/60,912.06
  6. Step 6: Final answer
    x = 28,176.51

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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.