Home / 29,320.10-43,980.13-7,133.48

Finding the Fourth Proportional to 29,320.10, 43,980.13 and 7,133.48

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Solution

The fourth proportional to 29,320.10, 43,980.13 and 7,133.48 is: 10,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,320.10 : 43,980.13 = 7,133.48 : x
  2. Step 2: Convert to fraction form
    29,320.10/43,980.13 = 7,133.48/x
  3. Step 3: Cross multiply
    29,320.10x = 43,980.13 × 7,133.48
  4. Step 4: Simplify right side
    29,320.10x = 313,731,377.75
  5. Step 5: Solve for x
    x = 313,731,377.75/29,320.10
  6. Step 6: Final answer
    x = 10,700.22

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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.