Home / 30,292.42-45,447.92-15,511.72

Finding the Fourth Proportional to 30,292.42, 45,447.92 and 15,511.72

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Solution

The fourth proportional to 30,292.42, 45,447.92 and 15,511.72 is: 23,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.42 : 45,447.92 = 15,511.72 : x
  2. Step 2: Convert to fraction form
    30,292.42/45,447.92 = 15,511.72/x
  3. Step 3: Cross multiply
    30,292.42x = 45,447.92 × 15,511.72
  4. Step 4: Simplify right side
    30,292.42x = 704,975,409.62
  5. Step 5: Solve for x
    x = 704,975,409.62/30,292.42
  6. Step 6: Final answer
    x = 23,272.34

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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.