Home / 39,975.17-59,957.29-11,899.56

Finding the Fourth Proportional to 39,975.17, 59,957.29 and 11,899.56

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Solution

The fourth proportional to 39,975.17, 59,957.29 and 11,899.56 is: 17,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.17 : 59,957.29 = 11,899.56 : x
  2. Step 2: Convert to fraction form
    39,975.17/59,957.29 = 11,899.56/x
  3. Step 3: Cross multiply
    39,975.17x = 59,957.29 × 11,899.56
  4. Step 4: Simplify right side
    39,975.17x = 713,465,340.04
  5. Step 5: Solve for x
    x = 713,465,340.04/39,975.17
  6. Step 6: Final answer
    x = 17,847.71

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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.