Home / 49,679.10-74,511.45-14,615.10

Finding the Fourth Proportional to 49,679.10, 74,511.45 and 14,615.10

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Solution

The fourth proportional to 49,679.10, 74,511.45 and 14,615.10 is: 21,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,679.10 : 74,511.45 = 14,615.10 : x
  2. Step 2: Convert to fraction form
    49,679.10/74,511.45 = 14,615.10/x
  3. Step 3: Cross multiply
    49,679.10x = 74,511.45 × 14,615.10
  4. Step 4: Simplify right side
    49,679.10x = 1,088,992,292.90
  5. Step 5: Solve for x
    x = 1,088,992,292.90/49,679.10
  6. Step 6: Final answer
    x = 21,920.53

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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.