Home / 31,653.12-47,479.92-17,634.48

Finding the Fourth Proportional to 31,653.12, 47,479.92 and 17,634.48

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Solution

The fourth proportional to 31,653.12, 47,479.92 and 17,634.48 is: 26,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653.12 : 47,479.92 = 17,634.48 : x
  2. Step 2: Convert to fraction form
    31,653.12/47,479.92 = 17,634.48/x
  3. Step 3: Cross multiply
    31,653.12x = 47,479.92 × 17,634.48
  4. Step 4: Simplify right side
    31,653.12x = 837,283,699.64
  5. Step 5: Solve for x
    x = 837,283,699.64/31,653.12
  6. Step 6: Final answer
    x = 26,451.85

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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.