Home / 49,834.40-74,714.40-30,108.80

Finding the Fourth Proportional to 49,834.40, 74,714.40 and 30,108.80

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Solution

The fourth proportional to 49,834.40, 74,714.40 and 30,108.80 is: 45,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,834.40 : 74,714.40 = 30,108.80 : x
  2. Step 2: Convert to fraction form
    49,834.40/74,714.40 = 30,108.80/x
  3. Step 3: Cross multiply
    49,834.40x = 74,714.40 × 30,108.80
  4. Step 4: Simplify right side
    49,834.40x = 2,249,560,926.72
  5. Step 5: Solve for x
    x = 2,249,560,926.72/49,834.40
  6. Step 6: Final answer
    x = 45,140.72

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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.