Home / 31,832.58-43,931.58-20,525.62

Finding the Fourth Proportional to 31,832.58, 43,931.58 and 20,525.62

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Solution

The fourth proportional to 31,832.58, 43,931.58 and 20,525.62 is: 28,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,832.58 : 43,931.58 = 20,525.62 : x
  2. Step 2: Convert to fraction form
    31,832.58/43,931.58 = 20,525.62/x
  3. Step 3: Cross multiply
    31,832.58x = 43,931.58 × 20,525.62
  4. Step 4: Simplify right side
    31,832.58x = 901,722,804.55
  5. Step 5: Solve for x
    x = 901,722,804.55/31,832.58
  6. Step 6: Final answer
    x = 28,327.04

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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.