Home / 30,919.46-46,381.78-9,862.52

Finding the Fourth Proportional to 30,919.46, 46,381.78 and 9,862.52

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Solution

The fourth proportional to 30,919.46, 46,381.78 and 9,862.52 is: 14,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919.46 : 46,381.78 = 9,862.52 : x
  2. Step 2: Convert to fraction form
    30,919.46/46,381.78 = 9,862.52/x
  3. Step 3: Cross multiply
    30,919.46x = 46,381.78 × 9,862.52
  4. Step 4: Simplify right side
    30,919.46x = 457,441,232.89
  5. Step 5: Solve for x
    x = 457,441,232.89/30,919.46
  6. Step 6: Final answer
    x = 14,794.61

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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.