Home / 38,383.47-52,965.09-28,317.33

Finding the Fourth Proportional to 38,383.47, 52,965.09 and 28,317.33

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Solution

The fourth proportional to 38,383.47, 52,965.09 and 28,317.33 is: 39,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,383.47 : 52,965.09 = 28,317.33 : x
  2. Step 2: Convert to fraction form
    38,383.47/52,965.09 = 28,317.33/x
  3. Step 3: Cross multiply
    38,383.47x = 52,965.09 × 28,317.33
  4. Step 4: Simplify right side
    38,383.47x = 1,499,829,932.01
  5. Step 5: Solve for x
    x = 1,499,829,932.01/38,383.47
  6. Step 6: Final answer
    x = 39,074.89

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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.