Home / 35,767.10-53,679-18,912.08

Finding the Fourth Proportional to 35,767.10, 53,679 and 18,912.08

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Solution

The fourth proportional to 35,767.10, 53,679 and 18,912.08 is: 28,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,767.10 : 53,679 = 18,912.08 : x
  2. Step 2: Convert to fraction form
    35,767.10/53,679 = 18,912.08/x
  3. Step 3: Cross multiply
    35,767.10x = 53,679 × 18,912.08
  4. Step 4: Simplify right side
    35,767.10x = 1,015,181,542.32
  5. Step 5: Solve for x
    x = 1,015,181,542.32/35,767.10
  6. Step 6: Final answer
    x = 28,383.11

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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.