Home / 32,961.15-45,485.42-18,621.65

Finding the Fourth Proportional to 32,961.15, 45,485.42 and 18,621.65

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Solution

The fourth proportional to 32,961.15, 45,485.42 and 18,621.65 is: 25,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,961.15 : 45,485.42 = 18,621.65 : x
  2. Step 2: Convert to fraction form
    32,961.15/45,485.42 = 18,621.65/x
  3. Step 3: Cross multiply
    32,961.15x = 45,485.42 × 18,621.65
  4. Step 4: Simplify right side
    32,961.15x = 847,013,591.95
  5. Step 5: Solve for x
    x = 847,013,591.95/32,961.15
  6. Step 6: Final answer
    x = 25,697.33

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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.