Home / 43,290.21-64,971.77-17,013.41

Finding the Fourth Proportional to 43,290.21, 64,971.77 and 17,013.41

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Solution

The fourth proportional to 43,290.21, 64,971.77 and 17,013.41 is: 25,534.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290.21 : 64,971.77 = 17,013.41 : x
  2. Step 2: Convert to fraction form
    43,290.21/64,971.77 = 17,013.41/x
  3. Step 3: Cross multiply
    43,290.21x = 64,971.77 × 17,013.41
  4. Step 4: Simplify right side
    43,290.21x = 1,105,390,951.51
  5. Step 5: Solve for x
    x = 1,105,390,951.51/43,290.21
  6. Step 6: Final answer
    x = 25,534.43

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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.