Home / 49,668.76-68,543.37-28,447.57

Finding the Fourth Proportional to 49,668.76, 68,543.37 and 28,447.57

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Solution

The fourth proportional to 49,668.76, 68,543.37 and 28,447.57 is: 39,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,668.76 : 68,543.37 = 28,447.57 : x
  2. Step 2: Convert to fraction form
    49,668.76/68,543.37 = 28,447.57/x
  3. Step 3: Cross multiply
    49,668.76x = 68,543.37 × 28,447.57
  4. Step 4: Simplify right side
    49,668.76x = 1,949,892,316.11
  5. Step 5: Solve for x
    x = 1,949,892,316.11/49,668.76
  6. Step 6: Final answer
    x = 39,257.92

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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.