Home / 37,389.89-51,597.87-20,393.82

Finding the Fourth Proportional to 37,389.89, 51,597.87 and 20,393.82

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Solution

The fourth proportional to 37,389.89, 51,597.87 and 20,393.82 is: 28,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,389.89 : 51,597.87 = 20,393.82 : x
  2. Step 2: Convert to fraction form
    37,389.89/51,597.87 = 20,393.82/x
  3. Step 3: Cross multiply
    37,389.89x = 51,597.87 × 20,393.82
  4. Step 4: Simplify right side
    37,389.89x = 1,052,277,673.16
  5. Step 5: Solve for x
    x = 1,052,277,673.16/37,389.89
  6. Step 6: Final answer
    x = 28,143.38

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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.