Home / 37,090.17-51,184.46-21,990.28

Finding the Fourth Proportional to 37,090.17, 51,184.46 and 21,990.28

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Solution

The fourth proportional to 37,090.17, 51,184.46 and 21,990.28 is: 30,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,090.17 : 51,184.46 = 21,990.28 : x
  2. Step 2: Convert to fraction form
    37,090.17/51,184.46 = 21,990.28/x
  3. Step 3: Cross multiply
    37,090.17x = 51,184.46 × 21,990.28
  4. Step 4: Simplify right side
    37,090.17x = 1,125,560,607.05
  5. Step 5: Solve for x
    x = 1,125,560,607.05/37,090.17
  6. Step 6: Final answer
    x = 30,346.60

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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.