Home / 35,619.66-53,412.72-20,833.08

Finding the Fourth Proportional to 35,619.66, 53,412.72 and 20,833.08

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Solution

The fourth proportional to 35,619.66, 53,412.72 and 20,833.08 is: 31,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619.66 : 53,412.72 = 20,833.08 : x
  2. Step 2: Convert to fraction form
    35,619.66/53,412.72 = 20,833.08/x
  3. Step 3: Cross multiply
    35,619.66x = 53,412.72 × 20,833.08
  4. Step 4: Simplify right side
    35,619.66x = 1,112,751,468.78
  5. Step 5: Solve for x
    x = 1,112,751,468.78/35,619.66
  6. Step 6: Final answer
    x = 31,239.81

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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.