Home / 30,679.44-45,937.11-17,513.70

Finding the Fourth Proportional to 30,679.44, 45,937.11 and 17,513.70

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Solution

The fourth proportional to 30,679.44, 45,937.11 and 17,513.70 is: 26,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,679.44 : 45,937.11 = 17,513.70 : x
  2. Step 2: Convert to fraction form
    30,679.44/45,937.11 = 17,513.70/x
  3. Step 3: Cross multiply
    30,679.44x = 45,937.11 × 17,513.70
  4. Step 4: Simplify right side
    30,679.44x = 804,528,763.41
  5. Step 5: Solve for x
    x = 804,528,763.41/30,679.44
  6. Step 6: Final answer
    x = 26,223.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.