Home / 38,836.37-58,129.26-20,090.60

Finding the Fourth Proportional to 38,836.37, 58,129.26 and 20,090.60

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Solution

The fourth proportional to 38,836.37, 58,129.26 and 20,090.60 is: 30,071.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,836.37 : 58,129.26 = 20,090.60 : x
  2. Step 2: Convert to fraction form
    38,836.37/58,129.26 = 20,090.60/x
  3. Step 3: Cross multiply
    38,836.37x = 58,129.26 × 20,090.60
  4. Step 4: Simplify right side
    38,836.37x = 1,167,851,562.95
  5. Step 5: Solve for x
    x = 1,167,851,562.95/38,836.37
  6. Step 6: Final answer
    x = 30,071.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.