Home / 49,761.10-74,532.30-30,005.20

Finding the Fourth Proportional to 49,761.10, 74,532.30 and 30,005.20

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Solution

The fourth proportional to 49,761.10, 74,532.30 and 30,005.20 is: 44,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,761.10 : 74,532.30 = 30,005.20 : x
  2. Step 2: Convert to fraction form
    49,761.10/74,532.30 = 30,005.20/x
  3. Step 3: Cross multiply
    49,761.10x = 74,532.30 × 30,005.20
  4. Step 4: Simplify right side
    49,761.10x = 2,236,356,567.96
  5. Step 5: Solve for x
    x = 2,236,356,567.96/49,761.10
  6. Step 6: Final answer
    x = 44,941.86

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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.