Home / 31,475.09-47,219.96-10,414.28

Finding the Fourth Proportional to 31,475.09, 47,219.96 and 10,414.28

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Solution

The fourth proportional to 31,475.09, 47,219.96 and 10,414.28 is: 15,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.09 : 47,219.96 = 10,414.28 : x
  2. Step 2: Convert to fraction form
    31,475.09/47,219.96 = 10,414.28/x
  3. Step 3: Cross multiply
    31,475.09x = 47,219.96 × 10,414.28
  4. Step 4: Simplify right side
    31,475.09x = 491,761,885.03
  5. Step 5: Solve for x
    x = 491,761,885.03/31,475.09
  6. Step 6: Final answer
    x = 15,623.84

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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.