Home / 31,511.64-43,486.20-17,364.18

Finding the Fourth Proportional to 31,511.64, 43,486.20 and 17,364.18

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Solution

The fourth proportional to 31,511.64, 43,486.20 and 17,364.18 is: 23,962.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,511.64 : 43,486.20 = 17,364.18 : x
  2. Step 2: Convert to fraction form
    31,511.64/43,486.20 = 17,364.18/x
  3. Step 3: Cross multiply
    31,511.64x = 43,486.20 × 17,364.18
  4. Step 4: Simplify right side
    31,511.64x = 755,102,204.32
  5. Step 5: Solve for x
    x = 755,102,204.32/31,511.64
  6. Step 6: Final answer
    x = 23,962.64

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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.