Home / 31,803.28-47,651.86-14,007.44

Finding the Fourth Proportional to 31,803.28, 47,651.86 and 14,007.44

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Solution

The fourth proportional to 31,803.28, 47,651.86 and 14,007.44 is: 20,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,803.28 : 47,651.86 = 14,007.44 : x
  2. Step 2: Convert to fraction form
    31,803.28/47,651.86 = 14,007.44/x
  3. Step 3: Cross multiply
    31,803.28x = 47,651.86 × 14,007.44
  4. Step 4: Simplify right side
    31,803.28x = 667,480,569.84
  5. Step 5: Solve for x
    x = 667,480,569.84/31,803.28
  6. Step 6: Final answer
    x = 20,987.79

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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.