Home / 30,290.05-41,795.34-16,860.99

Finding the Fourth Proportional to 30,290.05, 41,795.34 and 16,860.99

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Solution

The fourth proportional to 30,290.05, 41,795.34 and 16,860.99 is: 23,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.05 : 41,795.34 = 16,860.99 : x
  2. Step 2: Convert to fraction form
    30,290.05/41,795.34 = 16,860.99/x
  3. Step 3: Cross multiply
    30,290.05x = 41,795.34 × 16,860.99
  4. Step 4: Simplify right side
    30,290.05x = 704,710,809.79
  5. Step 5: Solve for x
    x = 704,710,809.79/30,290.05
  6. Step 6: Final answer
    x = 23,265.43

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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.