Home / 55,991.25-77,267.93-30,840.75

Finding the Fourth Proportional to 55,991.25, 77,267.93 and 30,840.75

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Solution

The fourth proportional to 55,991.25, 77,267.93 and 30,840.75 is: 42,560.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,991.25 : 77,267.93 = 30,840.75 : x
  2. Step 2: Convert to fraction form
    55,991.25/77,267.93 = 30,840.75/x
  3. Step 3: Cross multiply
    55,991.25x = 77,267.93 × 30,840.75
  4. Step 4: Simplify right side
    55,991.25x = 2,383,000,757.94
  5. Step 5: Solve for x
    x = 2,383,000,757.94/55,991.25
  6. Step 6: Final answer
    x = 42,560.24

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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.