Home / 31,460.42-47,179.28-10,679.06

Finding the Fourth Proportional to 31,460.42, 47,179.28 and 10,679.06

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Solution

The fourth proportional to 31,460.42, 47,179.28 and 10,679.06 is: 16,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.42 : 47,179.28 = 10,679.06 : x
  2. Step 2: Convert to fraction form
    31,460.42/47,179.28 = 10,679.06/x
  3. Step 3: Cross multiply
    31,460.42x = 47,179.28 × 10,679.06
  4. Step 4: Simplify right side
    31,460.42x = 503,830,361.88
  5. Step 5: Solve for x
    x = 503,830,361.88/31,460.42
  6. Step 6: Final answer
    x = 16,014.74

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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.