Home / 50,756.22-70,035.30-31,879.98

Finding the Fourth Proportional to 50,756.22, 70,035.30 and 31,879.98

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Solution

The fourth proportional to 50,756.22, 70,035.30 and 31,879.98 is: 43,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,756.22 : 70,035.30 = 31,879.98 : x
  2. Step 2: Convert to fraction form
    50,756.22/70,035.30 = 31,879.98/x
  3. Step 3: Cross multiply
    50,756.22x = 70,035.30 × 31,879.98
  4. Step 4: Simplify right side
    50,756.22x = 2,232,723,963.29
  5. Step 5: Solve for x
    x = 2,232,723,963.29/50,756.22
  6. Step 6: Final answer
    x = 43,989.17

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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.