Home / 50,319.11-75,449.51-20,703.49

Finding the Fourth Proportional to 50,319.11, 75,449.51 and 20,703.49

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Solution

The fourth proportional to 50,319.11, 75,449.51 and 20,703.49 is: 31,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,319.11 : 75,449.51 = 20,703.49 : x
  2. Step 2: Convert to fraction form
    50,319.11/75,449.51 = 20,703.49/x
  3. Step 3: Cross multiply
    50,319.11x = 75,449.51 × 20,703.49
  4. Step 4: Simplify right side
    50,319.11x = 1,562,068,175.79
  5. Step 5: Solve for x
    x = 1,562,068,175.79/50,319.11
  6. Step 6: Final answer
    x = 31,043.24

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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.