Home / 50,880.32-76,324.13-13,440.02

Finding the Fourth Proportional to 50,880.32, 76,324.13 and 13,440.02

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Solution

The fourth proportional to 50,880.32, 76,324.13 and 13,440.02 is: 20,160.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,880.32 : 76,324.13 = 13,440.02 : x
  2. Step 2: Convert to fraction form
    50,880.32/76,324.13 = 13,440.02/x
  3. Step 3: Cross multiply
    50,880.32x = 76,324.13 × 13,440.02
  4. Step 4: Simplify right side
    50,880.32x = 1,025,797,384.86
  5. Step 5: Solve for x
    x = 1,025,797,384.86/50,880.32
  6. Step 6: Final answer
    x = 20,160.99

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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.