Home / 49,400.70-74,101.05-14,343.90

Finding the Fourth Proportional to 49,400.70, 74,101.05 and 14,343.90

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Solution

The fourth proportional to 49,400.70, 74,101.05 and 14,343.90 is: 21,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,400.70 : 74,101.05 = 14,343.90 : x
  2. Step 2: Convert to fraction form
    49,400.70/74,101.05 = 14,343.90/x
  3. Step 3: Cross multiply
    49,400.70x = 74,101.05 × 14,343.90
  4. Step 4: Simplify right side
    49,400.70x = 1,062,898,051.10
  5. Step 5: Solve for x
    x = 1,062,898,051.10/49,400.70
  6. Step 6: Final answer
    x = 21,515.85

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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.