Home / 50,085.78-69,044.76-38,128.32

Finding the Fourth Proportional to 50,085.78, 69,044.76 and 38,128.32

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Solution

The fourth proportional to 50,085.78, 69,044.76 and 38,128.32 is: 52,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,085.78 : 69,044.76 = 38,128.32 : x
  2. Step 2: Convert to fraction form
    50,085.78/69,044.76 = 38,128.32/x
  3. Step 3: Cross multiply
    50,085.78x = 69,044.76 × 38,128.32
  4. Step 4: Simplify right side
    50,085.78x = 2,632,560,703.60
  5. Step 5: Solve for x
    x = 2,632,560,703.60/50,085.78
  6. Step 6: Final answer
    x = 52,561.04

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Half scale
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Double scale
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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.