Home / 30,066.74-41,492.17-16,638.91

Finding the Fourth Proportional to 30,066.74, 41,492.17 and 16,638.91

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Solution

The fourth proportional to 30,066.74, 41,492.17 and 16,638.91 is: 22,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066.74 : 41,492.17 = 16,638.91 : x
  2. Step 2: Convert to fraction form
    30,066.74/41,492.17 = 16,638.91/x
  3. Step 3: Cross multiply
    30,066.74x = 41,492.17 × 16,638.91
  4. Step 4: Simplify right side
    30,066.74x = 690,384,337.01
  5. Step 5: Solve for x
    x = 690,384,337.01/30,066.74
  6. Step 6: Final answer
    x = 22,961.73

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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.