Home / 55,821.96-77,034.27-30,671.46

Finding the Fourth Proportional to 55,821.96, 77,034.27 and 30,671.46

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Solution

The fourth proportional to 55,821.96, 77,034.27 and 30,671.46 is: 42,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,821.96 : 77,034.27 = 30,671.46 : x
  2. Step 2: Convert to fraction form
    55,821.96/77,034.27 = 30,671.46/x
  3. Step 3: Cross multiply
    55,821.96x = 77,034.27 × 30,671.46
  4. Step 4: Simplify right side
    55,821.96x = 2,362,753,530.93
  5. Step 5: Solve for x
    x = 2,362,753,530.93/55,821.96
  6. Step 6: Final answer
    x = 42,326.60

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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.