Home / 37,100.16-51,190.79-21,189.74

Finding the Fourth Proportional to 37,100.16, 51,190.79 and 21,189.74

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Solution

The fourth proportional to 37,100.16, 51,190.79 and 21,189.74 is: 29,237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,100.16 : 51,190.79 = 21,189.74 : x
  2. Step 2: Convert to fraction form
    37,100.16/51,190.79 = 21,189.74/x
  3. Step 3: Cross multiply
    37,100.16x = 51,190.79 × 21,189.74
  4. Step 4: Simplify right side
    37,100.16x = 1,084,719,168.59
  5. Step 5: Solve for x
    x = 1,084,719,168.59/37,100.16
  6. Step 6: Final answer
    x = 29,237.59

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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.