Home / 63,447.14-87,517.44-40,815.63

Finding the Fourth Proportional to 63,447.14, 87,517.44 and 40,815.63

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Solution

The fourth proportional to 63,447.14, 87,517.44 and 40,815.63 is: 56,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,447.14 : 87,517.44 = 40,815.63 : x
  2. Step 2: Convert to fraction form
    63,447.14/87,517.44 = 40,815.63/x
  3. Step 3: Cross multiply
    63,447.14x = 87,517.44 × 40,815.63
  4. Step 4: Simplify right side
    63,447.14x = 3,572,079,449.59
  5. Step 5: Solve for x
    x = 3,572,079,449.59/63,447.14
  6. Step 6: Final answer
    x = 56,300.09

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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.