Home / 55,478.79-76,574.97-34,245.86

Finding the Fourth Proportional to 55,478.79, 76,574.97 and 34,245.86

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Solution

The fourth proportional to 55,478.79, 76,574.97 and 34,245.86 is: 47,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,478.79 : 76,574.97 = 34,245.86 : x
  2. Step 2: Convert to fraction form
    55,478.79/76,574.97 = 34,245.86/x
  3. Step 3: Cross multiply
    55,478.79x = 76,574.97 × 34,245.86
  4. Step 4: Simplify right side
    55,478.79x = 2,622,375,319.25
  5. Step 5: Solve for x
    x = 2,622,375,319.25/55,478.79
  6. Step 6: Final answer
    x = 47,268.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.