Home / 35,342.67-53,021.30-11,968.50

Finding the Fourth Proportional to 35,342.67, 53,021.30 and 11,968.50

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Solution

The fourth proportional to 35,342.67, 53,021.30 and 11,968.50 is: 17,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,342.67 : 53,021.30 = 11,968.50 : x
  2. Step 2: Convert to fraction form
    35,342.67/53,021.30 = 11,968.50/x
  3. Step 3: Cross multiply
    35,342.67x = 53,021.30 × 11,968.50
  4. Step 4: Simplify right side
    35,342.67x = 634,585,369.21
  5. Step 5: Solve for x
    x = 634,585,369.21/35,342.67
  6. Step 6: Final answer
    x = 17,955.22

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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.