Home / 45,816.86-68,739.87-22,430.54

Finding the Fourth Proportional to 45,816.86, 68,739.87 and 22,430.54

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Solution

The fourth proportional to 45,816.86, 68,739.87 and 22,430.54 is: 33,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,816.86 : 68,739.87 = 22,430.54 : x
  2. Step 2: Convert to fraction form
    45,816.86/68,739.87 = 22,430.54/x
  3. Step 3: Cross multiply
    45,816.86x = 68,739.87 × 22,430.54
  4. Step 4: Simplify right side
    45,816.86x = 1,541,872,403.63
  5. Step 5: Solve for x
    x = 1,541,872,403.63/45,816.86
  6. Step 6: Final answer
    x = 33,652.95

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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.