Home / 36,967.57-51,011.31-21,860.80

Finding the Fourth Proportional to 36,967.57, 51,011.31 and 21,860.80

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Solution

The fourth proportional to 36,967.57, 51,011.31 and 21,860.80 is: 30,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,967.57 : 51,011.31 = 21,860.80 : x
  2. Step 2: Convert to fraction form
    36,967.57/51,011.31 = 21,860.80/x
  3. Step 3: Cross multiply
    36,967.57x = 51,011.31 × 21,860.80
  4. Step 4: Simplify right side
    36,967.57x = 1,115,148,045.65
  5. Step 5: Solve for x
    x = 1,115,148,045.65/36,967.57
  6. Step 6: Final answer
    x = 30,165.58

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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.