Home / 34,080.80-47,034.44-18,972.96

Finding the Fourth Proportional to 34,080.80, 47,034.44 and 18,972.96

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Solution

The fourth proportional to 34,080.80, 47,034.44 and 18,972.96 is: 26,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,080.80 : 47,034.44 = 18,972.96 : x
  2. Step 2: Convert to fraction form
    34,080.80/47,034.44 = 18,972.96/x
  3. Step 3: Cross multiply
    34,080.80x = 47,034.44 × 18,972.96
  4. Step 4: Simplify right side
    34,080.80x = 892,382,548.74
  5. Step 5: Solve for x
    x = 892,382,548.74/34,080.80
  6. Step 6: Final answer
    x = 26,184.32

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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.