Home / 30,745.20-46,159.28-19,673.52

Finding the Fourth Proportional to 30,745.20, 46,159.28 and 19,673.52

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Solution

The fourth proportional to 30,745.20, 46,159.28 and 19,673.52 is: 29,536.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,745.20 : 46,159.28 = 19,673.52 : x
  2. Step 2: Convert to fraction form
    30,745.20/46,159.28 = 19,673.52/x
  3. Step 3: Cross multiply
    30,745.20x = 46,159.28 × 19,673.52
  4. Step 4: Simplify right side
    30,745.20x = 908,115,518.27
  5. Step 5: Solve for x
    x = 908,115,518.27/30,745.20
  6. Step 6: Final answer
    x = 29,536.82

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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.