Home / 37,530.36-51,789.90-20,763

Finding the Fourth Proportional to 37,530.36, 51,789.90 and 20,763

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Solution

The fourth proportional to 37,530.36, 51,789.90 and 20,763 is: 28,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,530.36 : 51,789.90 = 20,763 : x
  2. Step 2: Convert to fraction form
    37,530.36/51,789.90 = 20,763/x
  3. Step 3: Cross multiply
    37,530.36x = 51,789.90 × 20,763
  4. Step 4: Simplify right side
    37,530.36x = 1,075,313,693.70
  5. Step 5: Solve for x
    x = 1,075,313,693.70/37,530.36
  6. Step 6: Final answer
    x = 28,651.84

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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.