Home / 35,458.66-53,187.99-20,667.52

Finding the Fourth Proportional to 35,458.66, 53,187.99 and 20,667.52

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Solution

The fourth proportional to 35,458.66, 53,187.99 and 20,667.52 is: 31,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,458.66 : 53,187.99 = 20,667.52 : x
  2. Step 2: Convert to fraction form
    35,458.66/53,187.99 = 20,667.52/x
  3. Step 3: Cross multiply
    35,458.66x = 53,187.99 × 20,667.52
  4. Step 4: Simplify right side
    35,458.66x = 1,099,263,847.08
  5. Step 5: Solve for x
    x = 1,099,263,847.08/35,458.66
  6. Step 6: Final answer
    x = 31,001.28

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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.