Home / 29,156.76-43,710.22-13,356.49

Finding the Fourth Proportional to 29,156.76, 43,710.22 and 13,356.49

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Solution

The fourth proportional to 29,156.76, 43,710.22 and 13,356.49 is: 20,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,156.76 : 43,710.22 = 13,356.49 : x
  2. Step 2: Convert to fraction form
    29,156.76/43,710.22 = 13,356.49/x
  3. Step 3: Cross multiply
    29,156.76x = 43,710.22 × 13,356.49
  4. Step 4: Simplify right side
    29,156.76x = 583,815,116.33
  5. Step 5: Solve for x
    x = 583,815,116.33/29,156.76
  6. Step 6: Final answer
    x = 20,023.32

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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.