Home / 49,370.04-68,129.34-28,148.82

Finding the Fourth Proportional to 49,370.04, 68,129.34 and 28,148.82

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Solution

The fourth proportional to 49,370.04, 68,129.34 and 28,148.82 is: 38,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,370.04 : 68,129.34 = 28,148.82 : x
  2. Step 2: Convert to fraction form
    49,370.04/68,129.34 = 28,148.82/x
  3. Step 3: Cross multiply
    49,370.04x = 68,129.34 × 28,148.82
  4. Step 4: Simplify right side
    49,370.04x = 1,917,760,528.38
  5. Step 5: Solve for x
    x = 1,917,760,528.38/49,370.04
  6. Step 6: Final answer
    x = 38,844.62

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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.