Home / 51,348.51-77,003.33-20,166.75

Finding the Fourth Proportional to 51,348.51, 77,003.33 and 20,166.75

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Solution

The fourth proportional to 51,348.51, 77,003.33 and 20,166.75 is: 30,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,348.51 : 77,003.33 = 20,166.75 : x
  2. Step 2: Convert to fraction form
    51,348.51/77,003.33 = 20,166.75/x
  3. Step 3: Cross multiply
    51,348.51x = 77,003.33 × 20,166.75
  4. Step 4: Simplify right side
    51,348.51x = 1,552,906,804.44
  5. Step 5: Solve for x
    x = 1,552,906,804.44/51,348.51
  6. Step 6: Final answer
    x = 30,242.49

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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.