Home / 37,395.77-51,606.31-20,400.38

Finding the Fourth Proportional to 37,395.77, 51,606.31 and 20,400.38

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Solution

The fourth proportional to 37,395.77, 51,606.31 and 20,400.38 is: 28,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,395.77 : 51,606.31 = 20,400.38 : x
  2. Step 2: Convert to fraction form
    37,395.77/51,606.31 = 20,400.38/x
  3. Step 3: Cross multiply
    37,395.77x = 51,606.31 × 20,400.38
  4. Step 4: Simplify right side
    37,395.77x = 1,052,788,076.37
  5. Step 5: Solve for x
    x = 1,052,788,076.37/37,395.77
  6. Step 6: Final answer
    x = 28,152.60

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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.