Home / 66,224.30-99,339.91-21,854.52

Finding the Fourth Proportional to 66,224.30, 99,339.91 and 21,854.52

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Solution

The fourth proportional to 66,224.30, 99,339.91 and 21,854.52 is: 32,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,224.30 : 99,339.91 = 21,854.52 : x
  2. Step 2: Convert to fraction form
    66,224.30/99,339.91 = 21,854.52/x
  3. Step 3: Cross multiply
    66,224.30x = 99,339.91 × 21,854.52
  4. Step 4: Simplify right side
    66,224.30x = 2,171,025,995.26
  5. Step 5: Solve for x
    x = 2,171,025,995.26/66,224.30
  6. Step 6: Final answer
    x = 32,782.92

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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.