Home / 50,401.28-75,532.80-31,900.16

Finding the Fourth Proportional to 50,401.28, 75,532.80 and 31,900.16

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Solution

The fourth proportional to 50,401.28, 75,532.80 and 31,900.16 is: 47,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,401.28 : 75,532.80 = 31,900.16 : x
  2. Step 2: Convert to fraction form
    50,401.28/75,532.80 = 31,900.16/x
  3. Step 3: Cross multiply
    50,401.28x = 75,532.80 × 31,900.16
  4. Step 4: Simplify right side
    50,401.28x = 2,409,508,405.25
  5. Step 5: Solve for x
    x = 2,409,508,405.25/50,401.28
  6. Step 6: Final answer
    x = 47,806.49

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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.