Home / 30,108.66-41,597.19-20,727.24

Finding the Fourth Proportional to 30,108.66, 41,597.19 and 20,727.24

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Solution

The fourth proportional to 30,108.66, 41,597.19 and 20,727.24 is: 28,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.66 : 41,597.19 = 20,727.24 : x
  2. Step 2: Convert to fraction form
    30,108.66/41,597.19 = 20,727.24/x
  3. Step 3: Cross multiply
    30,108.66x = 41,597.19 × 20,727.24
  4. Step 4: Simplify right side
    30,108.66x = 862,194,940.46
  5. Step 5: Solve for x
    x = 862,194,940.46/30,108.66
  6. Step 6: Final answer
    x = 28,636.11

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1.5x scale

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.