Home / 39,049.77-53,888.60-21,144.83

Finding the Fourth Proportional to 39,049.77, 53,888.60 and 21,144.83

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Solution

The fourth proportional to 39,049.77, 53,888.60 and 21,144.83 is: 29,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,049.77 : 53,888.60 = 21,144.83 : x
  2. Step 2: Convert to fraction form
    39,049.77/53,888.60 = 21,144.83/x
  3. Step 3: Cross multiply
    39,049.77x = 53,888.60 × 21,144.83
  4. Step 4: Simplify right side
    39,049.77x = 1,139,465,069.36
  5. Step 5: Solve for x
    x = 1,139,465,069.36/39,049.77
  6. Step 6: Final answer
    x = 29,179.82

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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.