Home / 71,231.22-98,292.96-39,392.19

Finding the Fourth Proportional to 71,231.22, 98,292.96 and 39,392.19

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Solution

The fourth proportional to 71,231.22, 98,292.96 and 39,392.19 is: 54,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,231.22 : 98,292.96 = 39,392.19 : x
  2. Step 2: Convert to fraction form
    71,231.22/98,292.96 = 39,392.19/x
  3. Step 3: Cross multiply
    71,231.22x = 98,292.96 × 39,392.19
  4. Step 4: Simplify right side
    71,231.22x = 3,871,974,955.98
  5. Step 5: Solve for x
    x = 3,871,974,955.98/71,231.22
  6. Step 6: Final answer
    x = 54,357.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.