Home / 55,994.40-77,271.60-30,843.36

Finding the Fourth Proportional to 55,994.40, 77,271.60 and 30,843.36

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Solution

The fourth proportional to 55,994.40, 77,271.60 and 30,843.36 is: 42,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,994.40 : 77,271.60 = 30,843.36 : x
  2. Step 2: Convert to fraction form
    55,994.40/77,271.60 = 30,843.36/x
  3. Step 3: Cross multiply
    55,994.40x = 77,271.60 × 30,843.36
  4. Step 4: Simplify right side
    55,994.40x = 2,383,315,776.58
  5. Step 5: Solve for x
    x = 2,383,315,776.58/55,994.40
  6. Step 6: Final answer
    x = 42,563.47

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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.