Home / 30,473.28-42,036.20-17,725.03

Finding the Fourth Proportional to 30,473.28, 42,036.20 and 17,725.03

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Solution

The fourth proportional to 30,473.28, 42,036.20 and 17,725.03 is: 24,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,473.28 : 42,036.20 = 17,725.03 : x
  2. Step 2: Convert to fraction form
    30,473.28/42,036.20 = 17,725.03/x
  3. Step 3: Cross multiply
    30,473.28x = 42,036.20 × 17,725.03
  4. Step 4: Simplify right side
    30,473.28x = 745,092,906.09
  5. Step 5: Solve for x
    x = 745,092,906.09/30,473.28
  6. Step 6: Final answer
    x = 24,450.70

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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.