Home / 42,631.82-63,947.64-11,467.10

Finding the Fourth Proportional to 42,631.82, 63,947.64 and 11,467.10

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Solution

The fourth proportional to 42,631.82, 63,947.64 and 11,467.10 is: 17,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,631.82 : 63,947.64 = 11,467.10 : x
  2. Step 2: Convert to fraction form
    42,631.82/63,947.64 = 11,467.10/x
  3. Step 3: Cross multiply
    42,631.82x = 63,947.64 × 11,467.10
  4. Step 4: Simplify right side
    42,631.82x = 733,293,982.64
  5. Step 5: Solve for x
    x = 733,293,982.64/42,631.82
  6. Step 6: Final answer
    x = 17,200.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.