Home / 34,682.22-47,813.80-21,929.02

Finding the Fourth Proportional to 34,682.22, 47,813.80 and 21,929.02

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Solution

The fourth proportional to 34,682.22, 47,813.80 and 21,929.02 is: 30,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,682.22 : 47,813.80 = 21,929.02 : x
  2. Step 2: Convert to fraction form
    34,682.22/47,813.80 = 21,929.02/x
  3. Step 3: Cross multiply
    34,682.22x = 47,813.80 × 21,929.02
  4. Step 4: Simplify right side
    34,682.22x = 1,048,509,776.48
  5. Step 5: Solve for x
    x = 1,048,509,776.48/34,682.22
  6. Step 6: Final answer
    x = 30,231.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.