Home / 49,872.60-68,823.18-28,651.32

Finding the Fourth Proportional to 49,872.60, 68,823.18 and 28,651.32

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Solution

The fourth proportional to 49,872.60, 68,823.18 and 28,651.32 is: 39,538.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,872.60 : 68,823.18 = 28,651.32 : x
  2. Step 2: Convert to fraction form
    49,872.60/68,823.18 = 28,651.32/x
  3. Step 3: Cross multiply
    49,872.60x = 68,823.18 × 28,651.32
  4. Step 4: Simplify right side
    49,872.60x = 1,971,874,953.60
  5. Step 5: Solve for x
    x = 1,971,874,953.60/49,872.60
  6. Step 6: Final answer
    x = 39,538.24

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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.