Home / 71,291.13-98,384.31-39,028.02

Finding the Fourth Proportional to 71,291.13, 98,384.31 and 39,028.02

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Solution

The fourth proportional to 71,291.13, 98,384.31 and 39,028.02 is: 53,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,291.13 : 98,384.31 = 39,028.02 : x
  2. Step 2: Convert to fraction form
    71,291.13/98,384.31 = 39,028.02/x
  3. Step 3: Cross multiply
    71,291.13x = 98,384.31 × 39,028.02
  4. Step 4: Simplify right side
    71,291.13x = 3,839,744,818.37
  5. Step 5: Solve for x
    x = 3,839,744,818.37/71,291.13
  6. Step 6: Final answer
    x = 53,860.06

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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.