Home / 38,486.98-57,649.41-19,709.95

Finding the Fourth Proportional to 38,486.98, 57,649.41 and 19,709.95

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Solution

The fourth proportional to 38,486.98, 57,649.41 and 19,709.95 is: 29,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,486.98 : 57,649.41 = 19,709.95 : x
  2. Step 2: Convert to fraction form
    38,486.98/57,649.41 = 19,709.95/x
  3. Step 3: Cross multiply
    38,486.98x = 57,649.41 × 19,709.95
  4. Step 4: Simplify right side
    38,486.98x = 1,136,266,988.63
  5. Step 5: Solve for x
    x = 1,136,266,988.63/38,486.98
  6. Step 6: Final answer
    x = 29,523.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.