Home / 54,608.61-75,339.30-31,940.37

Finding the Fourth Proportional to 54,608.61, 75,339.30 and 31,940.37

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Solution

The fourth proportional to 54,608.61, 75,339.30 and 31,940.37 is: 44,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,608.61 : 75,339.30 = 31,940.37 : x
  2. Step 2: Convert to fraction form
    54,608.61/75,339.30 = 31,940.37/x
  3. Step 3: Cross multiply
    54,608.61x = 75,339.30 × 31,940.37
  4. Step 4: Simplify right side
    54,608.61x = 2,406,365,117.54
  5. Step 5: Solve for x
    x = 2,406,365,117.54/54,608.61
  6. Step 6: Final answer
    x = 44,065.67

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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.