Home / 31,979.76-44,133-17,835.36

Finding the Fourth Proportional to 31,979.76, 44,133 and 17,835.36

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Solution

The fourth proportional to 31,979.76, 44,133 and 17,835.36 is: 24,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,979.76 : 44,133 = 17,835.36 : x
  2. Step 2: Convert to fraction form
    31,979.76/44,133 = 17,835.36/x
  3. Step 3: Cross multiply
    31,979.76x = 44,133 × 17,835.36
  4. Step 4: Simplify right side
    31,979.76x = 787,127,942.88
  5. Step 5: Solve for x
    x = 787,127,942.88/31,979.76
  6. Step 6: Final answer
    x = 24,613.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.