Home / 37,188.36-51,318.09-21,053.16

Finding the Fourth Proportional to 37,188.36, 51,318.09 and 21,053.16

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Solution

The fourth proportional to 37,188.36, 51,318.09 and 21,053.16 is: 29,052.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,188.36 : 51,318.09 = 21,053.16 : x
  2. Step 2: Convert to fraction form
    37,188.36/51,318.09 = 21,053.16/x
  3. Step 3: Cross multiply
    37,188.36x = 51,318.09 × 21,053.16
  4. Step 4: Simplify right side
    37,188.36x = 1,080,407,959.66
  5. Step 5: Solve for x
    x = 1,080,407,959.66/37,188.36
  6. Step 6: Final answer
    x = 29,052.32

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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.