Home / 37,900.94-52,303.73-20,905.20

Finding the Fourth Proportional to 37,900.94, 52,303.73 and 20,905.20

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Solution

The fourth proportional to 37,900.94, 52,303.73 and 20,905.20 is: 28,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,900.94 : 52,303.73 = 20,905.20 : x
  2. Step 2: Convert to fraction form
    37,900.94/52,303.73 = 20,905.20/x
  3. Step 3: Cross multiply
    37,900.94x = 52,303.73 × 20,905.20
  4. Step 4: Simplify right side
    37,900.94x = 1,093,419,831.87
  5. Step 5: Solve for x
    x = 1,093,419,831.87/37,900.94
  6. Step 6: Final answer
    x = 28,849.42

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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.