Home / 51,919.12-77,871.24-29,660.32

Finding the Fourth Proportional to 51,919.12, 77,871.24 and 29,660.32

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Solution

The fourth proportional to 51,919.12, 77,871.24 and 29,660.32 is: 44,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,919.12 : 77,871.24 = 29,660.32 : x
  2. Step 2: Convert to fraction form
    51,919.12/77,871.24 = 29,660.32/x
  3. Step 3: Cross multiply
    51,919.12x = 77,871.24 × 29,660.32
  4. Step 4: Simplify right side
    51,919.12x = 2,309,685,897.20
  5. Step 5: Solve for x
    x = 2,309,685,897.20/51,919.12
  6. Step 6: Final answer
    x = 44,486.23

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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.