Home / 47,418.08-65,438.26-28,308.96

Finding the Fourth Proportional to 47,418.08, 65,438.26 and 28,308.96

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Solution

The fourth proportional to 47,418.08, 65,438.26 and 28,308.96 is: 39,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,418.08 : 65,438.26 = 28,308.96 : x
  2. Step 2: Convert to fraction form
    47,418.08/65,438.26 = 28,308.96/x
  3. Step 3: Cross multiply
    47,418.08x = 65,438.26 × 28,308.96
  4. Step 4: Simplify right side
    47,418.08x = 1,852,489,084.81
  5. Step 5: Solve for x
    x = 1,852,489,084.81/47,418.08
  6. Step 6: Final answer
    x = 39,067.15

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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.