Home / 31,853.05-47,777.12-9,666.54

Finding the Fourth Proportional to 31,853.05, 47,777.12 and 9,666.54

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Solution

The fourth proportional to 31,853.05, 47,777.12 and 9,666.54 is: 14,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853.05 : 47,777.12 = 9,666.54 : x
  2. Step 2: Convert to fraction form
    31,853.05/47,777.12 = 9,666.54/x
  3. Step 3: Cross multiply
    31,853.05x = 47,777.12 × 9,666.54
  4. Step 4: Simplify right side
    31,853.05x = 461,839,441.56
  5. Step 5: Solve for x
    x = 461,839,441.56/31,853.05
  6. Step 6: Final answer
    x = 14,499.06

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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.