Home / 50,621-75,931.52-13,685

Finding the Fourth Proportional to 50,621, 75,931.52 and 13,685

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Solution

The fourth proportional to 50,621, 75,931.52 and 13,685 is: 20,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,621 : 75,931.52 = 13,685 : x
  2. Step 2: Convert to fraction form
    50,621/75,931.52 = 13,685/x
  3. Step 3: Cross multiply
    50,621x = 75,931.52 × 13,685
  4. Step 4: Simplify right side
    50,621x = 1,039,122,851.20
  5. Step 5: Solve for x
    x = 1,039,122,851.20/50,621
  6. Step 6: Final answer
    x = 20,527.51

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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.