Home / 55,481.07-76,559.73-31,603.08

Finding the Fourth Proportional to 55,481.07, 76,559.73 and 31,603.08

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Solution

The fourth proportional to 55,481.07, 76,559.73 and 31,603.08 is: 43,609.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,481.07 : 76,559.73 = 31,603.08 : x
  2. Step 2: Convert to fraction form
    55,481.07/76,559.73 = 31,603.08/x
  3. Step 3: Cross multiply
    55,481.07x = 76,559.73 × 31,603.08
  4. Step 4: Simplify right side
    55,481.07x = 2,419,523,271.97
  5. Step 5: Solve for x
    x = 2,419,523,271.97/55,481.07
  6. Step 6: Final answer
    x = 43,609.89

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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.