Home / 38,788.72-53,510.12-33,183.68

Finding the Fourth Proportional to 38,788.72, 53,510.12 and 33,183.68

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Solution

The fourth proportional to 38,788.72, 53,510.12 and 33,183.68 is: 45,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,788.72 : 53,510.12 = 33,183.68 : x
  2. Step 2: Convert to fraction form
    38,788.72/53,510.12 = 33,183.68/x
  3. Step 3: Cross multiply
    38,788.72x = 53,510.12 × 33,183.68
  4. Step 4: Simplify right side
    38,788.72x = 1,775,662,389.81
  5. Step 5: Solve for x
    x = 1,775,662,389.81/38,788.72
  6. Step 6: Final answer
    x = 45,777.81

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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.