Home / 50,440.19-75,744.65-31,508.87

Finding the Fourth Proportional to 50,440.19, 75,744.65 and 31,508.87

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Solution

The fourth proportional to 50,440.19, 75,744.65 and 31,508.87 is: 47,316.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,440.19 : 75,744.65 = 31,508.87 : x
  2. Step 2: Convert to fraction form
    50,440.19/75,744.65 = 31,508.87/x
  3. Step 3: Cross multiply
    50,440.19x = 75,744.65 × 31,508.87
  4. Step 4: Simplify right side
    50,440.19x = 2,386,628,361.86
  5. Step 5: Solve for x
    x = 2,386,628,361.86/50,440.19
  6. Step 6: Final answer
    x = 47,316.00

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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.