Home / 33,459.48-50,139-19,386.54

Finding the Fourth Proportional to 33,459.48, 50,139 and 19,386.54

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Solution

The fourth proportional to 33,459.48, 50,139 and 19,386.54 is: 29,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,459.48 : 50,139 = 19,386.54 : x
  2. Step 2: Convert to fraction form
    33,459.48/50,139 = 19,386.54/x
  3. Step 3: Cross multiply
    33,459.48x = 50,139 × 19,386.54
  4. Step 4: Simplify right side
    33,459.48x = 972,021,729.06
  5. Step 5: Solve for x
    x = 972,021,729.06/33,459.48
  6. Step 6: Final answer
    x = 29,050.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.