Home / 37,260.62-51,416.94-21,128.25

Finding the Fourth Proportional to 37,260.62, 51,416.94 and 21,128.25

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Solution

The fourth proportional to 37,260.62, 51,416.94 and 21,128.25 is: 29,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,260.62 : 51,416.94 = 21,128.25 : x
  2. Step 2: Convert to fraction form
    37,260.62/51,416.94 = 21,128.25/x
  3. Step 3: Cross multiply
    37,260.62x = 51,416.94 × 21,128.25
  4. Step 4: Simplify right side
    37,260.62x = 1,086,349,962.56
  5. Step 5: Solve for x
    x = 1,086,349,962.56/37,260.62
  6. Step 6: Final answer
    x = 29,155.45

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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.