Home / 31,826.07-43,920.10-17,487.06

Finding the Fourth Proportional to 31,826.07, 43,920.10 and 17,487.06

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Solution

The fourth proportional to 31,826.07, 43,920.10 and 17,487.06 is: 24,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826.07 : 43,920.10 = 17,487.06 : x
  2. Step 2: Convert to fraction form
    31,826.07/43,920.10 = 17,487.06/x
  3. Step 3: Cross multiply
    31,826.07x = 43,920.10 × 17,487.06
  4. Step 4: Simplify right side
    31,826.07x = 768,033,528.12
  5. Step 5: Solve for x
    x = 768,033,528.12/31,826.07
  6. Step 6: Final answer
    x = 24,132.21

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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.