Home / 37,698.72-52,017.99-21,784.65

Finding the Fourth Proportional to 37,698.72, 52,017.99 and 21,784.65

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Solution

The fourth proportional to 37,698.72, 52,017.99 and 21,784.65 is: 30,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,698.72 : 52,017.99 = 21,784.65 : x
  2. Step 2: Convert to fraction form
    37,698.72/52,017.99 = 21,784.65/x
  3. Step 3: Cross multiply
    37,698.72x = 52,017.99 × 21,784.65
  4. Step 4: Simplify right side
    37,698.72x = 1,133,193,705.85
  5. Step 5: Solve for x
    x = 1,133,193,705.85/37,698.72
  6. Step 6: Final answer
    x = 30,059.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.