Home / 63,687.20-87,881.35-36,825.64

Finding the Fourth Proportional to 63,687.20, 87,881.35 and 36,825.64

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Solution

The fourth proportional to 63,687.20, 87,881.35 and 36,825.64 is: 50,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,687.20 : 87,881.35 = 36,825.64 : x
  2. Step 2: Convert to fraction form
    63,687.20/87,881.35 = 36,825.64/x
  3. Step 3: Cross multiply
    63,687.20x = 87,881.35 × 36,825.64
  4. Step 4: Simplify right side
    63,687.20x = 3,236,286,334.28
  5. Step 5: Solve for x
    x = 3,236,286,334.28/63,687.20
  6. Step 6: Final answer
    x = 50,815.34

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1.5x scale

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.