Home / 31,434.48-47,181.34-11,463.30

Finding the Fourth Proportional to 31,434.48, 47,181.34 and 11,463.30

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Solution

The fourth proportional to 31,434.48, 47,181.34 and 11,463.30 is: 17,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434.48 : 47,181.34 = 11,463.30 : x
  2. Step 2: Convert to fraction form
    31,434.48/47,181.34 = 11,463.30/x
  3. Step 3: Cross multiply
    31,434.48x = 47,181.34 × 11,463.30
  4. Step 4: Simplify right side
    31,434.48x = 540,853,854.82
  5. Step 5: Solve for x
    x = 540,853,854.82/31,434.48
  6. Step 6: Final answer
    x = 17,205.75

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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.