Home / 31,586.64-47,380.18-21,695.92

Finding the Fourth Proportional to 31,586.64, 47,380.18 and 21,695.92

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Solution

The fourth proportional to 31,586.64, 47,380.18 and 21,695.92 is: 32,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.64 : 47,380.18 = 21,695.92 : x
  2. Step 2: Convert to fraction form
    31,586.64/47,380.18 = 21,695.92/x
  3. Step 3: Cross multiply
    31,586.64x = 47,380.18 × 21,695.92
  4. Step 4: Simplify right side
    31,586.64x = 1,027,956,594.87
  5. Step 5: Solve for x
    x = 1,027,956,594.87/31,586.64
  6. Step 6: Final answer
    x = 32,544.03

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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.