Home / 37,255.36-51,412.28-20,902.60

Finding the Fourth Proportional to 37,255.36, 51,412.28 and 20,902.60

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Solution

The fourth proportional to 37,255.36, 51,412.28 and 20,902.60 is: 28,845.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,255.36 : 51,412.28 = 20,902.60 : x
  2. Step 2: Convert to fraction form
    37,255.36/51,412.28 = 20,902.60/x
  3. Step 3: Cross multiply
    37,255.36x = 51,412.28 × 20,902.60
  4. Step 4: Simplify right side
    37,255.36x = 1,074,650,323.93
  5. Step 5: Solve for x
    x = 1,074,650,323.93/37,255.36
  6. Step 6: Final answer
    x = 28,845.52

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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.