Home / 37,378.97-51,582.57-20,383.16

Finding the Fourth Proportional to 37,378.97, 51,582.57 and 20,383.16

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Solution

The fourth proportional to 37,378.97, 51,582.57 and 20,383.16 is: 28,128.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,378.97 : 51,582.57 = 20,383.16 : x
  2. Step 2: Convert to fraction form
    37,378.97/51,582.57 = 20,383.16/x
  3. Step 3: Cross multiply
    37,378.97x = 51,582.57 × 20,383.16
  4. Step 4: Simplify right side
    37,378.97x = 1,051,415,777.52
  5. Step 5: Solve for x
    x = 1,051,415,777.52/37,378.97
  6. Step 6: Final answer
    x = 28,128.54

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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.