Home / 50,792.22-70,090.83-28,129.68

Finding the Fourth Proportional to 50,792.22, 70,090.83 and 28,129.68

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Solution

The fourth proportional to 50,792.22, 70,090.83 and 28,129.68 is: 38,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,792.22 : 70,090.83 = 28,129.68 : x
  2. Step 2: Convert to fraction form
    50,792.22/70,090.83 = 28,129.68/x
  3. Step 3: Cross multiply
    50,792.22x = 70,090.83 × 28,129.68
  4. Step 4: Simplify right side
    50,792.22x = 1,971,632,618.83
  5. Step 5: Solve for x
    x = 1,971,632,618.83/50,792.22
  6. Step 6: Final answer
    x = 38,817.61

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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.