Home / 35,658.10-49,302.12-31,229.43

Finding the Fourth Proportional to 35,658.10, 49,302.12 and 31,229.43

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Solution

The fourth proportional to 35,658.10, 49,302.12 and 31,229.43 is: 43,178.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.10 : 49,302.12 = 31,229.43 : x
  2. Step 2: Convert to fraction form
    35,658.10/49,302.12 = 31,229.43/x
  3. Step 3: Cross multiply
    35,658.10x = 49,302.12 × 31,229.43
  4. Step 4: Simplify right side
    35,658.10x = 1,539,677,105.39
  5. Step 5: Solve for x
    x = 1,539,677,105.39/35,658.10
  6. Step 6: Final answer
    x = 43,178.89

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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.