Home / 39,687.84-59,529.96-13,392

Finding the Fourth Proportional to 39,687.84, 59,529.96 and 13,392

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Solution

The fourth proportional to 39,687.84, 59,529.96 and 13,392 is: 20,087.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,687.84 : 59,529.96 = 13,392 : x
  2. Step 2: Convert to fraction form
    39,687.84/59,529.96 = 13,392/x
  3. Step 3: Cross multiply
    39,687.84x = 59,529.96 × 13,392
  4. Step 4: Simplify right side
    39,687.84x = 797,225,224.32
  5. Step 5: Solve for x
    x = 797,225,224.32/39,687.84
  6. Step 6: Final answer
    x = 20,087.39

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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.