Home / 30,928.32-46,392.75-8,741.20

Finding the Fourth Proportional to 30,928.32, 46,392.75 and 8,741.20

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Solution

The fourth proportional to 30,928.32, 46,392.75 and 8,741.20 is: 13,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928.32 : 46,392.75 = 8,741.20 : x
  2. Step 2: Convert to fraction form
    30,928.32/46,392.75 = 8,741.20/x
  3. Step 3: Cross multiply
    30,928.32x = 46,392.75 × 8,741.20
  4. Step 4: Simplify right side
    30,928.32x = 405,528,378.58
  5. Step 5: Solve for x
    x = 405,528,378.58/30,928.32
  6. Step 6: Final answer
    x = 13,111.88

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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.