Home / 38,661.76-58,014.96-20,892.48

Finding the Fourth Proportional to 38,661.76, 58,014.96 and 20,892.48

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Solution

The fourth proportional to 38,661.76, 58,014.96 and 20,892.48 is: 31,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.76 : 58,014.96 = 20,892.48 : x
  2. Step 2: Convert to fraction form
    38,661.76/58,014.96 = 20,892.48/x
  3. Step 3: Cross multiply
    38,661.76x = 58,014.96 × 20,892.48
  4. Step 4: Simplify right side
    38,661.76x = 1,212,076,391.50
  5. Step 5: Solve for x
    x = 1,212,076,391.50/38,661.76
  6. Step 6: Final answer
    x = 31,350.78

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1.5x scale

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.