Home / 30,000.43-41,403.05-17,257.74

Finding the Fourth Proportional to 30,000.43, 41,403.05 and 17,257.74

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Solution

The fourth proportional to 30,000.43, 41,403.05 and 17,257.74 is: 23,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.43 : 41,403.05 = 17,257.74 : x
  2. Step 2: Convert to fraction form
    30,000.43/41,403.05 = 17,257.74/x
  3. Step 3: Cross multiply
    30,000.43x = 41,403.05 × 17,257.74
  4. Step 4: Simplify right side
    30,000.43x = 714,523,072.11
  5. Step 5: Solve for x
    x = 714,523,072.11/30,000.43
  6. Step 6: Final answer
    x = 23,817.09

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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.