Home / 32,328.30-44,624.86-20,399.42

Finding the Fourth Proportional to 32,328.30, 44,624.86 and 20,399.42

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Solution

The fourth proportional to 32,328.30, 44,624.86 and 20,399.42 is: 28,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,328.30 : 44,624.86 = 20,399.42 : x
  2. Step 2: Convert to fraction form
    32,328.30/44,624.86 = 20,399.42/x
  3. Step 3: Cross multiply
    32,328.30x = 44,624.86 × 20,399.42
  4. Step 4: Simplify right side
    32,328.30x = 910,321,261.58
  5. Step 5: Solve for x
    x = 910,321,261.58/32,328.30
  6. Step 6: Final answer
    x = 28,158.65

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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.