Home / 30,739.24-46,109.76-12,018.52

Finding the Fourth Proportional to 30,739.24, 46,109.76 and 12,018.52

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Solution

The fourth proportional to 30,739.24, 46,109.76 and 12,018.52 is: 18,028.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,739.24 : 46,109.76 = 12,018.52 : x
  2. Step 2: Convert to fraction form
    30,739.24/46,109.76 = 12,018.52/x
  3. Step 3: Cross multiply
    30,739.24x = 46,109.76 × 12,018.52
  4. Step 4: Simplify right side
    30,739.24x = 554,171,072.76
  5. Step 5: Solve for x
    x = 554,171,072.76/30,739.24
  6. Step 6: Final answer
    x = 18,028.13

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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.