Home / 55,977.12-77,245.20-33,616.80

Finding the Fourth Proportional to 55,977.12, 77,245.20 and 33,616.80

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Solution

The fourth proportional to 55,977.12, 77,245.20 and 33,616.80 is: 46,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,977.12 : 77,245.20 = 33,616.80 : x
  2. Step 2: Convert to fraction form
    55,977.12/77,245.20 = 33,616.80/x
  3. Step 3: Cross multiply
    55,977.12x = 77,245.20 × 33,616.80
  4. Step 4: Simplify right side
    55,977.12x = 2,596,736,439.36
  5. Step 5: Solve for x
    x = 2,596,736,439.36/55,977.12
  6. Step 6: Final answer
    x = 46,389.25

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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.