Home / 47,121.68-70,624.96-22,128.36

Finding the Fourth Proportional to 47,121.68, 70,624.96 and 22,128.36

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Solution

The fourth proportional to 47,121.68, 70,624.96 and 22,128.36 is: 33,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.68 : 70,624.96 = 22,128.36 : x
  2. Step 2: Convert to fraction form
    47,121.68/70,624.96 = 22,128.36/x
  3. Step 3: Cross multiply
    47,121.68x = 70,624.96 × 22,128.36
  4. Step 4: Simplify right side
    47,121.68x = 1,562,814,539.87
  5. Step 5: Solve for x
    x = 1,562,814,539.87/47,121.68
  6. Step 6: Final answer
    x = 33,165.51

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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.