Home / 30,472.38-42,054.04-17,044.90

Finding the Fourth Proportional to 30,472.38, 42,054.04 and 17,044.90

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Solution

The fourth proportional to 30,472.38, 42,054.04 and 17,044.90 is: 23,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,472.38 : 42,054.04 = 17,044.90 : x
  2. Step 2: Convert to fraction form
    30,472.38/42,054.04 = 17,044.90/x
  3. Step 3: Cross multiply
    30,472.38x = 42,054.04 × 17,044.90
  4. Step 4: Simplify right side
    30,472.38x = 716,806,906.40
  5. Step 5: Solve for x
    x = 716,806,906.40/30,472.38
  6. Step 6: Final answer
    x = 23,523.17

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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.