Home / 30,357.36-45,556.56-10,636.08

Finding the Fourth Proportional to 30,357.36, 45,556.56 and 10,636.08

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Solution

The fourth proportional to 30,357.36, 45,556.56 and 10,636.08 is: 15,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,357.36 : 45,556.56 = 10,636.08 : x
  2. Step 2: Convert to fraction form
    30,357.36/45,556.56 = 10,636.08/x
  3. Step 3: Cross multiply
    30,357.36x = 45,556.56 × 10,636.08
  4. Step 4: Simplify right side
    30,357.36x = 484,543,216.68
  5. Step 5: Solve for x
    x = 484,543,216.68/30,357.36
  6. Step 6: Final answer
    x = 15,961.31

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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.