Home / 29,120.40-43,656.77-10,389.83

Finding the Fourth Proportional to 29,120.40, 43,656.77 and 10,389.83

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Solution

The fourth proportional to 29,120.40, 43,656.77 and 10,389.83 is: 15,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.40 : 43,656.77 = 10,389.83 : x
  2. Step 2: Convert to fraction form
    29,120.40/43,656.77 = 10,389.83/x
  3. Step 3: Cross multiply
    29,120.40x = 43,656.77 × 10,389.83
  4. Step 4: Simplify right side
    29,120.40x = 453,586,226.34
  5. Step 5: Solve for x
    x = 453,586,226.34/29,120.40
  6. Step 6: Final answer
    x = 15,576.24

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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.