Home / 63,684.16-87,858.48-38,489.92

Finding the Fourth Proportional to 63,684.16, 87,858.48 and 38,489.92

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Solution

The fourth proportional to 63,684.16, 87,858.48 and 38,489.92 is: 53,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,684.16 : 87,858.48 = 38,489.92 : x
  2. Step 2: Convert to fraction form
    63,684.16/87,858.48 = 38,489.92/x
  3. Step 3: Cross multiply
    63,684.16x = 87,858.48 × 38,489.92
  4. Step 4: Simplify right side
    63,684.16x = 3,381,665,866.52
  5. Step 5: Solve for x
    x = 3,381,665,866.52/63,684.16
  6. Step 6: Final answer
    x = 53,100.58

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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.