Home / 31,935.32-47,891.46-13,468.76

Finding the Fourth Proportional to 31,935.32, 47,891.46 and 13,468.76

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Solution

The fourth proportional to 31,935.32, 47,891.46 and 13,468.76 is: 20,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.32 : 47,891.46 = 13,468.76 : x
  2. Step 2: Convert to fraction form
    31,935.32/47,891.46 = 13,468.76/x
  3. Step 3: Cross multiply
    31,935.32x = 47,891.46 × 13,468.76
  4. Step 4: Simplify right side
    31,935.32x = 645,038,580.79
  5. Step 5: Solve for x
    x = 645,038,580.79/31,935.32
  6. Step 6: Final answer
    x = 20,198.28

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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.