Home / 42,298.24-63,315.84-31,217.44

Finding the Fourth Proportional to 42,298.24, 63,315.84 and 31,217.44

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Solution

The fourth proportional to 42,298.24, 63,315.84 and 31,217.44 is: 46,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,298.24 : 63,315.84 = 31,217.44 : x
  2. Step 2: Convert to fraction form
    42,298.24/63,315.84 = 31,217.44/x
  3. Step 3: Cross multiply
    42,298.24x = 63,315.84 × 31,217.44
  4. Step 4: Simplify right side
    42,298.24x = 1,976,558,436.25
  5. Step 5: Solve for x
    x = 1,976,558,436.25/42,298.24
  6. Step 6: Final answer
    x = 46,729.09

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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.