Home / 34,080.80-51,123.60-19,296.80

Finding the Fourth Proportional to 34,080.80, 51,123.60 and 19,296.80

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Solution

The fourth proportional to 34,080.80, 51,123.60 and 19,296.80 is: 28,946.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,080.80 : 51,123.60 = 19,296.80 : x
  2. Step 2: Convert to fraction form
    34,080.80/51,123.60 = 19,296.80/x
  3. Step 3: Cross multiply
    34,080.80x = 51,123.60 × 19,296.80
  4. Step 4: Simplify right side
    34,080.80x = 986,521,884.48
  5. Step 5: Solve for x
    x = 986,521,884.48/34,080.80
  6. Step 6: Final answer
    x = 28,946.56

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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.