Home / 37,170.36-51,290.01-21,255.89

Finding the Fourth Proportional to 37,170.36, 51,290.01 and 21,255.89

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Solution

The fourth proportional to 37,170.36, 51,290.01 and 21,255.89 is: 29,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,170.36 : 51,290.01 = 21,255.89 : x
  2. Step 2: Convert to fraction form
    37,170.36/51,290.01 = 21,255.89/x
  3. Step 3: Cross multiply
    37,170.36x = 51,290.01 × 21,255.89
  4. Step 4: Simplify right side
    37,170.36x = 1,090,214,554.21
  5. Step 5: Solve for x
    x = 1,090,214,554.21/37,170.36
  6. Step 6: Final answer
    x = 29,330.21

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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.