Home / 38,836.00-58,128.70-20,090.22

Finding the Fourth Proportional to 38,836.00, 58,128.70 and 20,090.22

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Solution

The fourth proportional to 38,836.00, 58,128.70 and 20,090.22 is: 30,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,836.00 : 58,128.70 = 20,090.22 : x
  2. Step 2: Convert to fraction form
    38,836.00/58,128.70 = 20,090.22/x
  3. Step 3: Cross multiply
    38,836.00x = 58,128.70 × 20,090.22
  4. Step 4: Simplify right side
    38,836.00x = 1,167,818,321.09
  5. Step 5: Solve for x
    x = 1,167,818,321.09/38,836.00
  6. Step 6: Final answer
    x = 30,070.51

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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.