Home / 31,511.28-43,482.96-17,363.64

Finding the Fourth Proportional to 31,511.28, 43,482.96 and 17,363.64

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Solution

The fourth proportional to 31,511.28, 43,482.96 and 17,363.64 is: 23,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,511.28 : 43,482.96 = 17,363.64 : x
  2. Step 2: Convert to fraction form
    31,511.28/43,482.96 = 17,363.64/x
  3. Step 3: Cross multiply
    31,511.28x = 43,482.96 × 17,363.64
  4. Step 4: Simplify right side
    31,511.28x = 755,022,463.57
  5. Step 5: Solve for x
    x = 755,022,463.57/31,511.28
  6. Step 6: Final answer
    x = 23,960.39

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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.