Home / 55,821.42-77,034.44-30,328.29

Finding the Fourth Proportional to 55,821.42, 77,034.44 and 30,328.29

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Solution

The fourth proportional to 55,821.42, 77,034.44 and 30,328.29 is: 41,853.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,821.42 : 77,034.44 = 30,328.29 : x
  2. Step 2: Convert to fraction form
    55,821.42/77,034.44 = 30,328.29/x
  3. Step 3: Cross multiply
    55,821.42x = 77,034.44 × 30,328.29
  4. Step 4: Simplify right side
    55,821.42x = 2,336,322,684.67
  5. Step 5: Solve for x
    x = 2,336,322,684.67/55,821.42
  6. Step 6: Final answer
    x = 41,853.52

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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.