Home / 20,090.17-30,129.40-6,046.57

Finding the Fourth Proportional to 20,090.17, 30,129.40 and 6,046.57

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Solution

The fourth proportional to 20,090.17, 30,129.40 and 6,046.57 is: 9,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,090.17 : 30,129.40 = 6,046.57 : x
  2. Step 2: Convert to fraction form
    20,090.17/30,129.40 = 6,046.57/x
  3. Step 3: Cross multiply
    20,090.17x = 30,129.40 × 6,046.57
  4. Step 4: Simplify right side
    20,090.17x = 182,179,526.16
  5. Step 5: Solve for x
    x = 182,179,526.16/20,090.17
  6. Step 6: Final answer
    x = 9,068.09

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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.