Home / 55,799.36-77,003.16-30,305.24

Finding the Fourth Proportional to 55,799.36, 77,003.16 and 30,305.24

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Solution

The fourth proportional to 55,799.36, 77,003.16 and 30,305.24 is: 41,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,799.36 : 77,003.16 = 30,305.24 : x
  2. Step 2: Convert to fraction form
    55,799.36/77,003.16 = 30,305.24/x
  3. Step 3: Cross multiply
    55,799.36x = 77,003.16 × 30,305.24
  4. Step 4: Simplify right side
    55,799.36x = 2,333,599,244.56
  5. Step 5: Solve for x
    x = 2,333,599,244.56/55,799.36
  6. Step 6: Final answer
    x = 41,821.25

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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.