Home / 30,916.12-46,380.66-10,137.88

Finding the Fourth Proportional to 30,916.12, 46,380.66 and 10,137.88

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Solution

The fourth proportional to 30,916.12, 46,380.66 and 10,137.88 is: 15,208.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,916.12 : 46,380.66 = 10,137.88 : x
  2. Step 2: Convert to fraction form
    30,916.12/46,380.66 = 10,137.88/x
  3. Step 3: Cross multiply
    30,916.12x = 46,380.66 × 10,137.88
  4. Step 4: Simplify right side
    30,916.12x = 470,201,565.40
  5. Step 5: Solve for x
    x = 470,201,565.40/30,916.12
  6. Step 6: Final answer
    x = 15,208.94

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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.