Home / 30,708.72-46,069.56-15,124.32

Finding the Fourth Proportional to 30,708.72, 46,069.56 and 15,124.32

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Solution

The fourth proportional to 30,708.72, 46,069.56 and 15,124.32 is: 22,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,708.72 : 46,069.56 = 15,124.32 : x
  2. Step 2: Convert to fraction form
    30,708.72/46,069.56 = 15,124.32/x
  3. Step 3: Cross multiply
    30,708.72x = 46,069.56 × 15,124.32
  4. Step 4: Simplify right side
    30,708.72x = 696,770,767.70
  5. Step 5: Solve for x
    x = 696,770,767.70/30,708.72
  6. Step 6: Final answer
    x = 22,689.67

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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.