Home / 49,440.48-74,160.72-28,678.56

Finding the Fourth Proportional to 49,440.48, 74,160.72 and 28,678.56

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Solution

The fourth proportional to 49,440.48, 74,160.72 and 28,678.56 is: 43,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,440.48 : 74,160.72 = 28,678.56 : x
  2. Step 2: Convert to fraction form
    49,440.48/74,160.72 = 28,678.56/x
  3. Step 3: Cross multiply
    49,440.48x = 74,160.72 × 28,678.56
  4. Step 4: Simplify right side
    49,440.48x = 2,126,822,658.16
  5. Step 5: Solve for x
    x = 2,126,822,658.16/49,440.48
  6. Step 6: Final answer
    x = 43,017.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.