Home / 30,729.12-46,103.04-15,948.64

Finding the Fourth Proportional to 30,729.12, 46,103.04 and 15,948.64

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Solution

The fourth proportional to 30,729.12, 46,103.04 and 15,948.64 is: 23,927.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,729.12 : 46,103.04 = 15,948.64 : x
  2. Step 2: Convert to fraction form
    30,729.12/46,103.04 = 15,948.64/x
  3. Step 3: Cross multiply
    30,729.12x = 46,103.04 × 15,948.64
  4. Step 4: Simplify right side
    30,729.12x = 735,280,787.87
  5. Step 5: Solve for x
    x = 735,280,787.87/30,729.12
  6. Step 6: Final answer
    x = 23,927.82

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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.