Home / 29,405.14-40,579.83-15,977.17

Finding the Fourth Proportional to 29,405.14, 40,579.83 and 15,977.17

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Solution

The fourth proportional to 29,405.14, 40,579.83 and 15,977.17 is: 22,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,405.14 : 40,579.83 = 15,977.17 : x
  2. Step 2: Convert to fraction form
    29,405.14/40,579.83 = 15,977.17/x
  3. Step 3: Cross multiply
    29,405.14x = 40,579.83 × 15,977.17
  4. Step 4: Simplify right side
    29,405.14x = 648,350,842.48
  5. Step 5: Solve for x
    x = 648,350,842.48/29,405.14
  6. Step 6: Final answer
    x = 22,048.89

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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.