Home / 37,131.49-51,244.17-21,215.60

Finding the Fourth Proportional to 37,131.49, 51,244.17 and 21,215.60

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Solution

The fourth proportional to 37,131.49, 51,244.17 and 21,215.60 is: 29,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.49 : 51,244.17 = 21,215.60 : x
  2. Step 2: Convert to fraction form
    37,131.49/51,244.17 = 21,215.60/x
  3. Step 3: Cross multiply
    37,131.49x = 51,244.17 × 21,215.60
  4. Step 4: Simplify right side
    37,131.49x = 1,087,175,813.05
  5. Step 5: Solve for x
    x = 1,087,175,813.05/37,131.49
  6. Step 6: Final answer
    x = 29,279.08

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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.