Home / 30,593.34-42,231.76-18,660.96

Finding the Fourth Proportional to 30,593.34, 42,231.76 and 18,660.96

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Solution

The fourth proportional to 30,593.34, 42,231.76 and 18,660.96 is: 25,760.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,593.34 : 42,231.76 = 18,660.96 : x
  2. Step 2: Convert to fraction form
    30,593.34/42,231.76 = 18,660.96/x
  3. Step 3: Cross multiply
    30,593.34x = 42,231.76 × 18,660.96
  4. Step 4: Simplify right side
    30,593.34x = 788,085,184.09
  5. Step 5: Solve for x
    x = 788,085,184.09/30,593.34
  6. Step 6: Final answer
    x = 25,760.02

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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.