Home / 37,639.96-51,943.32-20,872.96

Finding the Fourth Proportional to 37,639.96, 51,943.32 and 20,872.96

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Solution

The fourth proportional to 37,639.96, 51,943.32 and 20,872.96 is: 28,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,639.96 : 51,943.32 = 20,872.96 : x
  2. Step 2: Convert to fraction form
    37,639.96/51,943.32 = 20,872.96/x
  3. Step 3: Cross multiply
    37,639.96x = 51,943.32 × 20,872.96
  4. Step 4: Simplify right side
    37,639.96x = 1,084,210,840.63
  5. Step 5: Solve for x
    x = 1,084,210,840.63/37,639.96
  6. Step 6: Final answer
    x = 28,804.78

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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.