Home / 37,418.95-51,640.10-21,504.88

Finding the Fourth Proportional to 37,418.95, 51,640.10 and 21,504.88

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Solution

The fourth proportional to 37,418.95, 51,640.10 and 21,504.88 is: 29,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,418.95 : 51,640.10 = 21,504.88 : x
  2. Step 2: Convert to fraction form
    37,418.95/51,640.10 = 21,504.88/x
  3. Step 3: Cross multiply
    37,418.95x = 51,640.10 × 21,504.88
  4. Step 4: Simplify right side
    37,418.95x = 1,110,514,153.69
  5. Step 5: Solve for x
    x = 1,110,514,153.69/37,418.95
  6. Step 6: Final answer
    x = 29,677.85

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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.