Home / 30,731.92-46,097.72-20,341.20

Finding the Fourth Proportional to 30,731.92, 46,097.72 and 20,341.20

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Solution

The fourth proportional to 30,731.92, 46,097.72 and 20,341.20 is: 30,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731.92 : 46,097.72 = 20,341.20 : x
  2. Step 2: Convert to fraction form
    30,731.92/46,097.72 = 20,341.20/x
  3. Step 3: Cross multiply
    30,731.92x = 46,097.72 × 20,341.20
  4. Step 4: Simplify right side
    30,731.92x = 937,682,942.06
  5. Step 5: Solve for x
    x = 937,682,942.06/30,731.92
  6. Step 6: Final answer
    x = 30,511.69

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1.5x scale

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.