Home / 38,515.99-57,754.54-18,764.95

Finding the Fourth Proportional to 38,515.99, 57,754.54 and 18,764.95

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Solution

The fourth proportional to 38,515.99, 57,754.54 and 18,764.95 is: 28,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,515.99 : 57,754.54 = 18,764.95 : x
  2. Step 2: Convert to fraction form
    38,515.99/57,754.54 = 18,764.95/x
  3. Step 3: Cross multiply
    38,515.99x = 57,754.54 × 18,764.95
  4. Step 4: Simplify right side
    38,515.99x = 1,083,761,055.37
  5. Step 5: Solve for x
    x = 1,083,761,055.37/38,515.99
  6. Step 6: Final answer
    x = 28,137.95

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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.