Home / 29,311.64-43,967.48-7,124.87

Finding the Fourth Proportional to 29,311.64, 43,967.48 and 7,124.87

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Solution

The fourth proportional to 29,311.64, 43,967.48 and 7,124.87 is: 10,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.64 : 43,967.48 = 7,124.87 : x
  2. Step 2: Convert to fraction form
    29,311.64/43,967.48 = 7,124.87/x
  3. Step 3: Cross multiply
    29,311.64x = 43,967.48 × 7,124.87
  4. Step 4: Simplify right side
    29,311.64x = 313,262,579.23
  5. Step 5: Solve for x
    x = 313,262,579.23/29,311.64
  6. Step 6: Final answer
    x = 10,687.31

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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.