Home / 22,954.90-34,359.45-21,205.30

Finding the Fourth Proportional to 22,954.90, 34,359.45 and 21,205.30

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Solution

The fourth proportional to 22,954.90, 34,359.45 and 21,205.30 is: 31,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,954.90 : 34,359.45 = 21,205.30 : x
  2. Step 2: Convert to fraction form
    22,954.90/34,359.45 = 21,205.30/x
  3. Step 3: Cross multiply
    22,954.90x = 34,359.45 × 21,205.30
  4. Step 4: Simplify right side
    22,954.90x = 728,602,445.09
  5. Step 5: Solve for x
    x = 728,602,445.09/22,954.90
  6. Step 6: Final answer
    x = 31,740.61

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1.5x scale

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.