Home / 62,783.61-94,164.94-20,664.15

Finding the Fourth Proportional to 62,783.61, 94,164.94 and 20,664.15

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Solution

The fourth proportional to 62,783.61, 94,164.94 and 20,664.15 is: 30,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,783.61 : 94,164.94 = 20,664.15 : x
  2. Step 2: Convert to fraction form
    62,783.61/94,164.94 = 20,664.15/x
  3. Step 3: Cross multiply
    62,783.61x = 94,164.94 × 20,664.15
  4. Step 4: Simplify right side
    62,783.61x = 1,945,838,444.90
  5. Step 5: Solve for x
    x = 1,945,838,444.90/62,783.61
  6. Step 6: Final answer
    x = 30,992.78

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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.