Home / 31,452.32-47,181.45-10,392.50

Finding the Fourth Proportional to 31,452.32, 47,181.45 and 10,392.50

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Solution

The fourth proportional to 31,452.32, 47,181.45 and 10,392.50 is: 15,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,452.32 : 47,181.45 = 10,392.50 : x
  2. Step 2: Convert to fraction form
    31,452.32/47,181.45 = 10,392.50/x
  3. Step 3: Cross multiply
    31,452.32x = 47,181.45 × 10,392.50
  4. Step 4: Simplify right side
    31,452.32x = 490,333,219.13
  5. Step 5: Solve for x
    x = 490,333,219.13/31,452.32
  6. Step 6: Final answer
    x = 15,589.73

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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.