Home / 43,152.80-64,754.31-18,191.30

Finding the Fourth Proportional to 43,152.80, 64,754.31 and 18,191.30

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Solution

The fourth proportional to 43,152.80, 64,754.31 and 18,191.30 is: 27,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,152.80 : 64,754.31 = 18,191.30 : x
  2. Step 2: Convert to fraction form
    43,152.80/64,754.31 = 18,191.30/x
  3. Step 3: Cross multiply
    43,152.80x = 64,754.31 × 18,191.30
  4. Step 4: Simplify right side
    43,152.80x = 1,177,965,079.50
  5. Step 5: Solve for x
    x = 1,177,965,079.50/43,152.80
  6. Step 6: Final answer
    x = 27,297.54

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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.