Home / 35,817.72-49,428.50-19,901.80

Finding the Fourth Proportional to 35,817.72, 49,428.50 and 19,901.80

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Solution

The fourth proportional to 35,817.72, 49,428.50 and 19,901.80 is: 27,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,817.72 : 49,428.50 = 19,901.80 : x
  2. Step 2: Convert to fraction form
    35,817.72/49,428.50 = 19,901.80/x
  3. Step 3: Cross multiply
    35,817.72x = 49,428.50 × 19,901.80
  4. Step 4: Simplify right side
    35,817.72x = 983,716,121.30
  5. Step 5: Solve for x
    x = 983,716,121.30/35,817.72
  6. Step 6: Final answer
    x = 27,464.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.