Home / 30,700.92-46,016.82-15,129.48

Finding the Fourth Proportional to 30,700.92, 46,016.82 and 15,129.48

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Solution

The fourth proportional to 30,700.92, 46,016.82 and 15,129.48 is: 22,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,700.92 : 46,016.82 = 15,129.48 : x
  2. Step 2: Convert to fraction form
    30,700.92/46,016.82 = 15,129.48/x
  3. Step 3: Cross multiply
    30,700.92x = 46,016.82 × 15,129.48
  4. Step 4: Simplify right side
    30,700.92x = 696,210,557.85
  5. Step 5: Solve for x
    x = 696,210,557.85/30,700.92
  6. Step 6: Final answer
    x = 22,677.19

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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.