Home / 31,760.16-43,828.68-17,612.88

Finding the Fourth Proportional to 31,760.16, 43,828.68 and 17,612.88

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Solution

The fourth proportional to 31,760.16, 43,828.68 and 17,612.88 is: 24,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,760.16 : 43,828.68 = 17,612.88 : x
  2. Step 2: Convert to fraction form
    31,760.16/43,828.68 = 17,612.88/x
  3. Step 3: Cross multiply
    31,760.16x = 43,828.68 × 17,612.88
  4. Step 4: Simplify right side
    31,760.16x = 771,949,281.40
  5. Step 5: Solve for x
    x = 771,949,281.40/31,760.16
  6. Step 6: Final answer
    x = 24,305.59

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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.