Home / 55,599.36-76,728.96-30,450.24

Finding the Fourth Proportional to 55,599.36, 76,728.96 and 30,450.24

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Solution

The fourth proportional to 55,599.36, 76,728.96 and 30,450.24 is: 42,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,599.36 : 76,728.96 = 30,450.24 : x
  2. Step 2: Convert to fraction form
    55,599.36/76,728.96 = 30,450.24/x
  3. Step 3: Cross multiply
    55,599.36x = 76,728.96 × 30,450.24
  4. Step 4: Simplify right side
    55,599.36x = 2,336,415,246.95
  5. Step 5: Solve for x
    x = 2,336,415,246.95/55,599.36
  6. Step 6: Final answer
    x = 42,022.34

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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.