Home / 49,073.74-67,720.12-28,930.26

Finding the Fourth Proportional to 49,073.74, 67,720.12 and 28,930.26

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Solution

The fourth proportional to 49,073.74, 67,720.12 and 28,930.26 is: 39,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,073.74 : 67,720.12 = 28,930.26 : x
  2. Step 2: Convert to fraction form
    49,073.74/67,720.12 = 28,930.26/x
  3. Step 3: Cross multiply
    49,073.74x = 67,720.12 × 28,930.26
  4. Step 4: Simplify right side
    49,073.74x = 1,959,160,678.83
  5. Step 5: Solve for x
    x = 1,959,160,678.83/49,073.74
  6. Step 6: Final answer
    x = 39,922.79

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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.