Home / 31,668.32-47,513.90-14,816.16

Finding the Fourth Proportional to 31,668.32, 47,513.90 and 14,816.16

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Solution

The fourth proportional to 31,668.32, 47,513.90 and 14,816.16 is: 22,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.32 : 47,513.90 = 14,816.16 : x
  2. Step 2: Convert to fraction form
    31,668.32/47,513.90 = 14,816.16/x
  3. Step 3: Cross multiply
    31,668.32x = 47,513.90 × 14,816.16
  4. Step 4: Simplify right side
    31,668.32x = 703,973,544.62
  5. Step 5: Solve for x
    x = 703,973,544.62/31,668.32
  6. Step 6: Final answer
    x = 22,229.58

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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.