Home / 30,908.56-46,343.04-20,366.32

Finding the Fourth Proportional to 30,908.56, 46,343.04 and 20,366.32

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Solution

The fourth proportional to 30,908.56, 46,343.04 and 20,366.32 is: 30,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908.56 : 46,343.04 = 20,366.32 : x
  2. Step 2: Convert to fraction form
    30,908.56/46,343.04 = 20,366.32/x
  3. Step 3: Cross multiply
    30,908.56x = 46,343.04 × 20,366.32
  4. Step 4: Simplify right side
    30,908.56x = 943,837,182.41
  5. Step 5: Solve for x
    x = 943,837,182.41/30,908.56
  6. Step 6: Final answer
    x = 30,536.43

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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.