Home / 32,790.08-45,235.86-20,222.12

Finding the Fourth Proportional to 32,790.08, 45,235.86 and 20,222.12

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Solution

The fourth proportional to 32,790.08, 45,235.86 and 20,222.12 is: 27,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,790.08 : 45,235.86 = 20,222.12 : x
  2. Step 2: Convert to fraction form
    32,790.08/45,235.86 = 20,222.12/x
  3. Step 3: Cross multiply
    32,790.08x = 45,235.86 × 20,222.12
  4. Step 4: Simplify right side
    32,790.08x = 914,764,989.22
  5. Step 5: Solve for x
    x = 914,764,989.22/32,790.08
  6. Step 6: Final answer
    x = 27,897.61

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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.