Home / 31,148.06-46,729.24-8,961.62

Finding the Fourth Proportional to 31,148.06, 46,729.24 and 8,961.62

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Solution

The fourth proportional to 31,148.06, 46,729.24 and 8,961.62 is: 13,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,148.06 : 46,729.24 = 8,961.62 : x
  2. Step 2: Convert to fraction form
    31,148.06/46,729.24 = 8,961.62/x
  3. Step 3: Cross multiply
    31,148.06x = 46,729.24 × 8,961.62
  4. Step 4: Simplify right side
    31,148.06x = 418,769,691.77
  5. Step 5: Solve for x
    x = 418,769,691.77/31,148.06
  6. Step 6: Final answer
    x = 13,444.49

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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.