Home / 35,984.07-53,969.73-21,175.65

Finding the Fourth Proportional to 35,984.07, 53,969.73 and 21,175.65

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Solution

The fourth proportional to 35,984.07, 53,969.73 and 21,175.65 is: 31,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,984.07 : 53,969.73 = 21,175.65 : x
  2. Step 2: Convert to fraction form
    35,984.07/53,969.73 = 21,175.65/x
  3. Step 3: Cross multiply
    35,984.07x = 53,969.73 × 21,175.65
  4. Step 4: Simplify right side
    35,984.07x = 1,142,844,113.07
  5. Step 5: Solve for x
    x = 1,142,844,113.07/35,984.07
  6. Step 6: Final answer
    x = 31,759.72

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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.