Home / 30,760.46-46,144.54-12,038.08

Finding the Fourth Proportional to 30,760.46, 46,144.54 and 12,038.08

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Solution

The fourth proportional to 30,760.46, 46,144.54 and 12,038.08 is: 18,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,760.46 : 46,144.54 = 12,038.08 : x
  2. Step 2: Convert to fraction form
    30,760.46/46,144.54 = 12,038.08/x
  3. Step 3: Cross multiply
    30,760.46x = 46,144.54 × 12,038.08
  4. Step 4: Simplify right side
    30,760.46x = 555,491,639.00
  5. Step 5: Solve for x
    x = 555,491,639.00/30,760.46
  6. Step 6: Final answer
    x = 18,058.62

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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.