Home / 63,549.17-87,661.42-39,634.32

Finding the Fourth Proportional to 63,549.17, 87,661.42 and 39,634.32

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Solution

The fourth proportional to 63,549.17, 87,661.42 and 39,634.32 is: 54,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,549.17 : 87,661.42 = 39,634.32 : x
  2. Step 2: Convert to fraction form
    63,549.17/87,661.42 = 39,634.32/x
  3. Step 3: Cross multiply
    63,549.17x = 87,661.42 × 39,634.32
  4. Step 4: Simplify right side
    63,549.17x = 3,474,400,771.93
  5. Step 5: Solve for x
    x = 3,474,400,771.93/63,549.17
  6. Step 6: Final answer
    x = 54,672.64

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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.