Home / 31,837.31-47,753.21-10,776.90

Finding the Fourth Proportional to 31,837.31, 47,753.21 and 10,776.90

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Solution

The fourth proportional to 31,837.31, 47,753.21 and 10,776.90 is: 16,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.31 : 47,753.21 = 10,776.90 : x
  2. Step 2: Convert to fraction form
    31,837.31/47,753.21 = 10,776.90/x
  3. Step 3: Cross multiply
    31,837.31x = 47,753.21 × 10,776.90
  4. Step 4: Simplify right side
    31,837.31x = 514,631,609.26
  5. Step 5: Solve for x
    x = 514,631,609.26/31,837.31
  6. Step 6: Final answer
    x = 16,164.42

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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.