Home / 37,108.38-51,207.66-21,189.72

Finding the Fourth Proportional to 37,108.38, 51,207.66 and 21,189.72

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Solution

The fourth proportional to 37,108.38, 51,207.66 and 21,189.72 is: 29,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,108.38 : 51,207.66 = 21,189.72 : x
  2. Step 2: Convert to fraction form
    37,108.38/51,207.66 = 21,189.72/x
  3. Step 3: Cross multiply
    37,108.38x = 51,207.66 × 21,189.72
  4. Step 4: Simplify right side
    37,108.38x = 1,085,075,977.26
  5. Step 5: Solve for x
    x = 1,085,075,977.26/37,108.38
  6. Step 6: Final answer
    x = 29,240.73

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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.