Home / 53,033.66-79,571.55-21,861.62

Finding the Fourth Proportional to 53,033.66, 79,571.55 and 21,861.62

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Solution

The fourth proportional to 53,033.66, 79,571.55 and 21,861.62 is: 32,801.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,033.66 : 79,571.55 = 21,861.62 : x
  2. Step 2: Convert to fraction form
    53,033.66/79,571.55 = 21,861.62/x
  3. Step 3: Cross multiply
    53,033.66x = 79,571.55 × 21,861.62
  4. Step 4: Simplify right side
    53,033.66x = 1,739,562,988.91
  5. Step 5: Solve for x
    x = 1,739,562,988.91/53,033.66
  6. Step 6: Final answer
    x = 32,801.11

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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.