Home / 49,833.07-74,749.60-20,253.21

Finding the Fourth Proportional to 49,833.07, 74,749.60 and 20,253.21

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Solution

The fourth proportional to 49,833.07, 74,749.60 and 20,253.21 is: 30,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,833.07 : 74,749.60 = 20,253.21 : x
  2. Step 2: Convert to fraction form
    49,833.07/74,749.60 = 20,253.21/x
  3. Step 3: Cross multiply
    49,833.07x = 74,749.60 × 20,253.21
  4. Step 4: Simplify right side
    49,833.07x = 1,513,919,346.22
  5. Step 5: Solve for x
    x = 1,513,919,346.22/49,833.07
  6. Step 6: Final answer
    x = 30,379.82

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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.