Home / 31,511.84-43,487.27-17,365.60

Finding the Fourth Proportional to 31,511.84, 43,487.27 and 17,365.60

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Solution

The fourth proportional to 31,511.84, 43,487.27 and 17,365.60 is: 23,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,511.84 : 43,487.27 = 17,365.60 : x
  2. Step 2: Convert to fraction form
    31,511.84/43,487.27 = 17,365.60/x
  3. Step 3: Cross multiply
    31,511.84x = 43,487.27 × 17,365.60
  4. Step 4: Simplify right side
    31,511.84x = 755,182,535.91
  5. Step 5: Solve for x
    x = 755,182,535.91/31,511.84
  6. Step 6: Final answer
    x = 23,965.04

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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.