Home / 47,731.32-65,871.30-26,512.56

Finding the Fourth Proportional to 47,731.32, 65,871.30 and 26,512.56

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Solution

The fourth proportional to 47,731.32, 65,871.30 and 26,512.56 is: 36,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.32 : 65,871.30 = 26,512.56 : x
  2. Step 2: Convert to fraction form
    47,731.32/65,871.30 = 26,512.56/x
  3. Step 3: Cross multiply
    47,731.32x = 65,871.30 × 26,512.56
  4. Step 4: Simplify right side
    47,731.32x = 1,746,416,793.53
  5. Step 5: Solve for x
    x = 1,746,416,793.53/47,731.32
  6. Step 6: Final answer
    x = 36,588.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.