Home / 30,709.07-46,063.60-8,522.45

Finding the Fourth Proportional to 30,709.07, 46,063.60 and 8,522.45

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Solution

The fourth proportional to 30,709.07, 46,063.60 and 8,522.45 is: 12,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,709.07 : 46,063.60 = 8,522.45 : x
  2. Step 2: Convert to fraction form
    30,709.07/46,063.60 = 8,522.45/x
  3. Step 3: Cross multiply
    30,709.07x = 46,063.60 × 8,522.45
  4. Step 4: Simplify right side
    30,709.07x = 392,574,696.87
  5. Step 5: Solve for x
    x = 392,574,696.87/30,709.07
  6. Step 6: Final answer
    x = 12,783.67

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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.