Home / 35,364.38-53,047.18-11,991.42

Finding the Fourth Proportional to 35,364.38, 53,047.18 and 11,991.42

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Solution

The fourth proportional to 35,364.38, 53,047.18 and 11,991.42 is: 17,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,364.38 : 53,047.18 = 11,991.42 : x
  2. Step 2: Convert to fraction form
    35,364.38/53,047.18 = 11,991.42/x
  3. Step 3: Cross multiply
    35,364.38x = 53,047.18 × 11,991.42
  4. Step 4: Simplify right side
    35,364.38x = 636,111,015.20
  5. Step 5: Solve for x
    x = 636,111,015.20/35,364.38
  6. Step 6: Final answer
    x = 17,987.34

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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.