Home / 30,866.21-42,556.64-25,195.19

Finding the Fourth Proportional to 30,866.21, 42,556.64 and 25,195.19

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Solution

The fourth proportional to 30,866.21, 42,556.64 and 25,195.19 is: 34,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866.21 : 42,556.64 = 25,195.19 : x
  2. Step 2: Convert to fraction form
    30,866.21/42,556.64 = 25,195.19/x
  3. Step 3: Cross multiply
    30,866.21x = 42,556.64 × 25,195.19
  4. Step 4: Simplify right side
    30,866.21x = 1,072,222,630.56
  5. Step 5: Solve for x
    x = 1,072,222,630.56/30,866.21
  6. Step 6: Final answer
    x = 34,737.75

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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.