Home / 50,539.92-75,685.29-31,773.40

Finding the Fourth Proportional to 50,539.92, 75,685.29 and 31,773.40

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Solution

The fourth proportional to 50,539.92, 75,685.29 and 31,773.40 is: 47,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,539.92 : 75,685.29 = 31,773.40 : x
  2. Step 2: Convert to fraction form
    50,539.92/75,685.29 = 31,773.40/x
  3. Step 3: Cross multiply
    50,539.92x = 75,685.29 × 31,773.40
  4. Step 4: Simplify right side
    50,539.92x = 2,404,778,993.29
  5. Step 5: Solve for x
    x = 2,404,778,993.29/50,539.92
  6. Step 6: Final answer
    x = 47,581.77

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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.