Home / 31,536.60-43,520.58-17,389.32

Finding the Fourth Proportional to 31,536.60, 43,520.58 and 17,389.32

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Solution

The fourth proportional to 31,536.60, 43,520.58 and 17,389.32 is: 23,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.60 : 43,520.58 = 17,389.32 : x
  2. Step 2: Convert to fraction form
    31,536.60/43,520.58 = 17,389.32/x
  3. Step 3: Cross multiply
    31,536.60x = 43,520.58 × 17,389.32
  4. Step 4: Simplify right side
    31,536.60x = 756,793,292.21
  5. Step 5: Solve for x
    x = 756,793,292.21/31,536.60
  6. Step 6: Final answer
    x = 23,997.30

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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.