Home / 49,689.42-68,573.79-28,468.74

Finding the Fourth Proportional to 49,689.42, 68,573.79 and 28,468.74

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Solution

The fourth proportional to 49,689.42, 68,573.79 and 28,468.74 is: 39,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,689.42 : 68,573.79 = 28,468.74 : x
  2. Step 2: Convert to fraction form
    49,689.42/68,573.79 = 28,468.74/x
  3. Step 3: Cross multiply
    49,689.42x = 68,573.79 × 28,468.74
  4. Step 4: Simplify right side
    49,689.42x = 1,952,209,398.32
  5. Step 5: Solve for x
    x = 1,952,209,398.32/49,689.42
  6. Step 6: Final answer
    x = 39,288.23

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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.