Home / 50,090.19-69,132.05-28,579.83

Finding the Fourth Proportional to 50,090.19, 69,132.05 and 28,579.83

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Solution

The fourth proportional to 50,090.19, 69,132.05 and 28,579.83 is: 39,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,090.19 : 69,132.05 = 28,579.83 : x
  2. Step 2: Convert to fraction form
    50,090.19/69,132.05 = 28,579.83/x
  3. Step 3: Cross multiply
    50,090.19x = 69,132.05 × 28,579.83
  4. Step 4: Simplify right side
    50,090.19x = 1,975,782,236.55
  5. Step 5: Solve for x
    x = 1,975,782,236.55/50,090.19
  6. Step 6: Final answer
    x = 39,444.49

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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.