Home / 55,359.58-76,394.19-30,208.54

Finding the Fourth Proportional to 55,359.58, 76,394.19 and 30,208.54

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Solution

The fourth proportional to 55,359.58, 76,394.19 and 30,208.54 is: 41,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,359.58 : 76,394.19 = 30,208.54 : x
  2. Step 2: Convert to fraction form
    55,359.58/76,394.19 = 30,208.54/x
  3. Step 3: Cross multiply
    55,359.58x = 76,394.19 × 30,208.54
  4. Step 4: Simplify right side
    55,359.58x = 2,307,756,944.38
  5. Step 5: Solve for x
    x = 2,307,756,944.38/55,359.58
  6. Step 6: Final answer
    x = 41,686.68

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1.5x scale

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.