Home / 50,695.20-69,948.24-31,840.80

Finding the Fourth Proportional to 50,695.20, 69,948.24 and 31,840.80

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Solution

The fourth proportional to 50,695.20, 69,948.24 and 31,840.80 is: 43,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,695.20 : 69,948.24 = 31,840.80 : x
  2. Step 2: Convert to fraction form
    50,695.20/69,948.24 = 31,840.80/x
  3. Step 3: Cross multiply
    50,695.20x = 69,948.24 × 31,840.80
  4. Step 4: Simplify right side
    50,695.20x = 2,227,207,920.19
  5. Step 5: Solve for x
    x = 2,227,207,920.19/50,695.20
  6. Step 6: Final answer
    x = 43,933.31

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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.