Home / 49,689.21-68,577.39-28,468.56

Finding the Fourth Proportional to 49,689.21, 68,577.39 and 28,468.56

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Solution

The fourth proportional to 49,689.21, 68,577.39 and 28,468.56 is: 39,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,689.21 : 68,577.39 = 28,468.56 : x
  2. Step 2: Convert to fraction form
    49,689.21/68,577.39 = 28,468.56/x
  3. Step 3: Cross multiply
    49,689.21x = 68,577.39 × 28,468.56
  4. Step 4: Simplify right side
    49,689.21x = 1,952,299,541.86
  5. Step 5: Solve for x
    x = 1,952,299,541.86/49,689.21
  6. Step 6: Final answer
    x = 39,290.21

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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.