Home / 37,190.88-51,323.13-21,275.60

Finding the Fourth Proportional to 37,190.88, 51,323.13 and 21,275.60

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Solution

The fourth proportional to 37,190.88, 51,323.13 and 21,275.60 is: 29,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,190.88 : 51,323.13 = 21,275.60 : x
  2. Step 2: Convert to fraction form
    37,190.88/51,323.13 = 21,275.60/x
  3. Step 3: Cross multiply
    37,190.88x = 51,323.13 × 21,275.60
  4. Step 4: Simplify right side
    37,190.88x = 1,091,930,128.01
  5. Step 5: Solve for x
    x = 1,091,930,128.01/37,190.88
  6. Step 6: Final answer
    x = 29,360.16

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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.