Home / 37,134.74-51,245.04-21,218.16

Finding the Fourth Proportional to 37,134.74, 51,245.04 and 21,218.16

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Solution

The fourth proportional to 37,134.74, 51,245.04 and 21,218.16 is: 29,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,134.74 : 51,245.04 = 21,218.16 : x
  2. Step 2: Convert to fraction form
    37,134.74/51,245.04 = 21,218.16/x
  3. Step 3: Cross multiply
    37,134.74x = 51,245.04 × 21,218.16
  4. Step 4: Simplify right side
    37,134.74x = 1,087,325,457.93
  5. Step 5: Solve for x
    x = 1,087,325,457.93/37,134.74
  6. Step 6: Final answer
    x = 29,280.55

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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.