Home / 39,374.31-59,072.87-12,724.36

Finding the Fourth Proportional to 39,374.31, 59,072.87 and 12,724.36

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Solution

The fourth proportional to 39,374.31, 59,072.87 and 12,724.36 is: 19,090.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,374.31 : 59,072.87 = 12,724.36 : x
  2. Step 2: Convert to fraction form
    39,374.31/59,072.87 = 12,724.36/x
  3. Step 3: Cross multiply
    39,374.31x = 59,072.87 × 12,724.36
  4. Step 4: Simplify right side
    39,374.31x = 751,664,400.49
  5. Step 5: Solve for x
    x = 751,664,400.49/39,374.31
  6. Step 6: Final answer
    x = 19,090.23

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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.