Home / 31,156.49-46,727.71-8,964.92

Finding the Fourth Proportional to 31,156.49, 46,727.71 and 8,964.92

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Solution

The fourth proportional to 31,156.49, 46,727.71 and 8,964.92 is: 13,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,156.49 : 46,727.71 = 8,964.92 : x
  2. Step 2: Convert to fraction form
    31,156.49/46,727.71 = 8,964.92/x
  3. Step 3: Cross multiply
    31,156.49x = 46,727.71 × 8,964.92
  4. Step 4: Simplify right side
    31,156.49x = 418,910,181.93
  5. Step 5: Solve for x
    x = 418,910,181.93/31,156.49
  6. Step 6: Final answer
    x = 13,445.36

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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.