Home / 21,695.04-30,092.52-21,119.24

Finding the Fourth Proportional to 21,695.04, 30,092.52 and 21,119.24

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Solution

The fourth proportional to 21,695.04, 30,092.52 and 21,119.24 is: 29,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695.04 : 30,092.52 = 21,119.24 : x
  2. Step 2: Convert to fraction form
    21,695.04/30,092.52 = 21,119.24/x
  3. Step 3: Cross multiply
    21,695.04x = 30,092.52 × 21,119.24
  4. Step 4: Simplify right side
    21,695.04x = 635,531,311.71
  5. Step 5: Solve for x
    x = 635,531,311.71/21,695.04
  6. Step 6: Final answer
    x = 29,293.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.