Home / 31,336.32-47,027.43-19,507.41

Finding the Fourth Proportional to 31,336.32, 47,027.43 and 19,507.41

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Solution

The fourth proportional to 31,336.32, 47,027.43 and 19,507.41 is: 29,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.32 : 47,027.43 = 19,507.41 : x
  2. Step 2: Convert to fraction form
    31,336.32/47,027.43 = 19,507.41/x
  3. Step 3: Cross multiply
    31,336.32x = 47,027.43 × 19,507.41
  4. Step 4: Simplify right side
    31,336.32x = 917,383,358.26
  5. Step 5: Solve for x
    x = 917,383,358.26/31,336.32
  6. Step 6: Final answer
    x = 29,275.40

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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.