Home / 39,966.94-59,943.58-13,309.90

Finding the Fourth Proportional to 39,966.94, 59,943.58 and 13,309.90

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Solution

The fourth proportional to 39,966.94, 59,943.58 and 13,309.90 is: 19,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.94 : 59,943.58 = 13,309.90 : x
  2. Step 2: Convert to fraction form
    39,966.94/59,943.58 = 13,309.90/x
  3. Step 3: Cross multiply
    39,966.94x = 59,943.58 × 13,309.90
  4. Step 4: Simplify right side
    39,966.94x = 797,843,055.44
  5. Step 5: Solve for x
    x = 797,843,055.44/39,966.94
  6. Step 6: Final answer
    x = 19,962.58

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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.