Home / 39,586.77-54,629.82-21,437.69

Finding the Fourth Proportional to 39,586.77, 54,629.82 and 21,437.69

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Solution

The fourth proportional to 39,586.77, 54,629.82 and 21,437.69 is: 29,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,586.77 : 54,629.82 = 21,437.69 : x
  2. Step 2: Convert to fraction form
    39,586.77/54,629.82 = 21,437.69/x
  3. Step 3: Cross multiply
    39,586.77x = 54,629.82 × 21,437.69
  4. Step 4: Simplify right side
    39,586.77x = 1,171,136,872.77
  5. Step 5: Solve for x
    x = 1,171,136,872.77/39,586.77
  6. Step 6: Final answer
    x = 29,584.05

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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.