Home / 51,754.40-71,365.08-39,791.36

Finding the Fourth Proportional to 51,754.40, 71,365.08 and 39,791.36

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Solution

The fourth proportional to 51,754.40, 71,365.08 and 39,791.36 is: 54,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,754.40 : 71,365.08 = 39,791.36 : x
  2. Step 2: Convert to fraction form
    51,754.40/71,365.08 = 39,791.36/x
  3. Step 3: Cross multiply
    51,754.40x = 71,365.08 × 39,791.36
  4. Step 4: Simplify right side
    51,754.40x = 2,839,713,589.71
  5. Step 5: Solve for x
    x = 2,839,713,589.71/51,754.40
  6. Step 6: Final answer
    x = 54,869.03

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1.5x scale

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.