Home / 49,541-68,370.18-28,319.72

Finding the Fourth Proportional to 49,541, 68,370.18 and 28,319.72

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Solution

The fourth proportional to 49,541, 68,370.18 and 28,319.72 is: 39,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,541 : 68,370.18 = 28,319.72 : x
  2. Step 2: Convert to fraction form
    49,541/68,370.18 = 28,319.72/x
  3. Step 3: Cross multiply
    49,541x = 68,370.18 × 28,319.72
  4. Step 4: Simplify right side
    49,541x = 1,936,224,353.95
  5. Step 5: Solve for x
    x = 1,936,224,353.95/49,541
  6. Step 6: Final answer
    x = 39,083.27

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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.