Home / 40,580.20-60,821.70-20,848.60

Finding the Fourth Proportional to 40,580.20, 60,821.70 and 20,848.60

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Solution

The fourth proportional to 40,580.20, 60,821.70 and 20,848.60 is: 31,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,580.20 : 60,821.70 = 20,848.60 : x
  2. Step 2: Convert to fraction form
    40,580.20/60,821.70 = 20,848.60/x
  3. Step 3: Cross multiply
    40,580.20x = 60,821.70 × 20,848.60
  4. Step 4: Simplify right side
    40,580.20x = 1,268,047,294.62
  5. Step 5: Solve for x
    x = 1,268,047,294.62/40,580.20
  6. Step 6: Final answer
    x = 31,247.93

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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.