Home / 31,617.32-43,631.81-17,470.07

Finding the Fourth Proportional to 31,617.32, 43,631.81 and 17,470.07

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Solution

The fourth proportional to 31,617.32, 43,631.81 and 17,470.07 is: 24,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,617.32 : 43,631.81 = 17,470.07 : x
  2. Step 2: Convert to fraction form
    31,617.32/43,631.81 = 17,470.07/x
  3. Step 3: Cross multiply
    31,617.32x = 43,631.81 × 17,470.07
  4. Step 4: Simplify right side
    31,617.32x = 762,250,556.77
  5. Step 5: Solve for x
    x = 762,250,556.77/31,617.32
  6. Step 6: Final answer
    x = 24,108.64

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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.