Home / 49,857.04-68,814.53-28,648.61

Finding the Fourth Proportional to 49,857.04, 68,814.53 and 28,648.61

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Solution

The fourth proportional to 49,857.04, 68,814.53 and 28,648.61 is: 39,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.04 : 68,814.53 = 28,648.61 : x
  2. Step 2: Convert to fraction form
    49,857.04/68,814.53 = 28,648.61/x
  3. Step 3: Cross multiply
    49,857.04x = 68,814.53 × 28,648.61
  4. Step 4: Simplify right side
    49,857.04x = 1,971,440,632.30
  5. Step 5: Solve for x
    x = 1,971,440,632.30/49,857.04
  6. Step 6: Final answer
    x = 39,541.87

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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.