Home / 37,451.68-51,686.04-21,541.12

Finding the Fourth Proportional to 37,451.68, 51,686.04 and 21,541.12

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Solution

The fourth proportional to 37,451.68, 51,686.04 and 21,541.12 is: 29,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,451.68 : 51,686.04 = 21,541.12 : x
  2. Step 2: Convert to fraction form
    37,451.68/51,686.04 = 21,541.12/x
  3. Step 3: Cross multiply
    37,451.68x = 51,686.04 × 21,541.12
  4. Step 4: Simplify right side
    37,451.68x = 1,113,375,189.96
  5. Step 5: Solve for x
    x = 1,113,375,189.96/37,451.68
  6. Step 6: Final answer
    x = 29,728.31

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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.