Home / 42,631.80-63,947.58-11,467.08

Finding the Fourth Proportional to 42,631.80, 63,947.58 and 11,467.08

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Solution

The fourth proportional to 42,631.80, 63,947.58 and 11,467.08 is: 17,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,631.80 : 63,947.58 = 11,467.08 : x
  2. Step 2: Convert to fraction form
    42,631.80/63,947.58 = 11,467.08/x
  3. Step 3: Cross multiply
    42,631.80x = 63,947.58 × 11,467.08
  4. Step 4: Simplify right side
    42,631.80x = 733,292,015.67
  5. Step 5: Solve for x
    x = 733,292,015.67/42,631.80
  6. Step 6: Final answer
    x = 17,200.59

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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.