Home / 30,922.92-42,695.82-19,002.24

Finding the Fourth Proportional to 30,922.92, 42,695.82 and 19,002.24

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Solution

The fourth proportional to 30,922.92, 42,695.82 and 19,002.24 is: 26,236.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,922.92 : 42,695.82 = 19,002.24 : x
  2. Step 2: Convert to fraction form
    30,922.92/42,695.82 = 19,002.24/x
  3. Step 3: Cross multiply
    30,922.92x = 42,695.82 × 19,002.24
  4. Step 4: Simplify right side
    30,922.92x = 811,316,218.64
  5. Step 5: Solve for x
    x = 811,316,218.64/30,922.92
  6. Step 6: Final answer
    x = 26,236.73

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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.