Home / 30,800.88-46,201.24-7,427.32

Finding the Fourth Proportional to 30,800.88, 46,201.24 and 7,427.32

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Solution

The fourth proportional to 30,800.88, 46,201.24 and 7,427.32 is: 11,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800.88 : 46,201.24 = 7,427.32 : x
  2. Step 2: Convert to fraction form
    30,800.88/46,201.24 = 7,427.32/x
  3. Step 3: Cross multiply
    30,800.88x = 46,201.24 × 7,427.32
  4. Step 4: Simplify right side
    30,800.88x = 343,151,393.88
  5. Step 5: Solve for x
    x = 343,151,393.88/30,800.88
  6. Step 6: Final answer
    x = 11,140.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.