Home / 47,213.47-70,813.20-17,220.67

Finding the Fourth Proportional to 47,213.47, 70,813.20 and 17,220.67

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Solution

The fourth proportional to 47,213.47, 70,813.20 and 17,220.67 is: 25,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,213.47 : 70,813.20 = 17,220.67 : x
  2. Step 2: Convert to fraction form
    47,213.47/70,813.20 = 17,220.67/x
  3. Step 3: Cross multiply
    47,213.47x = 70,813.20 × 17,220.67
  4. Step 4: Simplify right side
    47,213.47x = 1,219,450,662.74
  5. Step 5: Solve for x
    x = 1,219,450,662.74/47,213.47
  6. Step 6: Final answer
    x = 25,828.45

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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.