Home / 50,641.75-75,954.66-31,864.31

Finding the Fourth Proportional to 50,641.75, 75,954.66 and 31,864.31

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Solution

The fourth proportional to 50,641.75, 75,954.66 and 31,864.31 is: 47,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,641.75 : 75,954.66 = 31,864.31 : x
  2. Step 2: Convert to fraction form
    50,641.75/75,954.66 = 31,864.31/x
  3. Step 3: Cross multiply
    50,641.75x = 75,954.66 × 31,864.31
  4. Step 4: Simplify right side
    50,641.75x = 2,420,242,617.75
  5. Step 5: Solve for x
    x = 2,420,242,617.75/50,641.75
  6. Step 6: Final answer
    x = 47,791.45

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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.