Home / 29,728.85-44,600.69-20,980.85

Finding the Fourth Proportional to 29,728.85, 44,600.69 and 20,980.85

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Solution

The fourth proportional to 29,728.85, 44,600.69 and 20,980.85 is: 31,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,728.85 : 44,600.69 = 20,980.85 : x
  2. Step 2: Convert to fraction form
    29,728.85/44,600.69 = 20,980.85/x
  3. Step 3: Cross multiply
    29,728.85x = 44,600.69 × 20,980.85
  4. Step 4: Simplify right side
    29,728.85x = 935,760,216.24
  5. Step 5: Solve for x
    x = 935,760,216.24/29,728.85
  6. Step 6: Final answer
    x = 31,476.51

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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.