Home / 30,863.64-46,351.96-28,261.12

Finding the Fourth Proportional to 30,863.64, 46,351.96 and 28,261.12

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Solution

The fourth proportional to 30,863.64, 46,351.96 and 28,261.12 is: 42,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,863.64 : 46,351.96 = 28,261.12 : x
  2. Step 2: Convert to fraction form
    30,863.64/46,351.96 = 28,261.12/x
  3. Step 3: Cross multiply
    30,863.64x = 46,351.96 × 28,261.12
  4. Step 4: Simplify right side
    30,863.64x = 1,309,958,303.80
  5. Step 5: Solve for x
    x = 1,309,958,303.80/30,863.64
  6. Step 6: Final answer
    x = 42,443.42

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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.