Home / 37,661.36-51,970.94-20,665.19

Finding the Fourth Proportional to 37,661.36, 51,970.94 and 20,665.19

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Solution

The fourth proportional to 37,661.36, 51,970.94 and 20,665.19 is: 28,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,661.36 : 51,970.94 = 20,665.19 : x
  2. Step 2: Convert to fraction form
    37,661.36/51,970.94 = 20,665.19/x
  3. Step 3: Cross multiply
    37,661.36x = 51,970.94 × 20,665.19
  4. Step 4: Simplify right side
    37,661.36x = 1,073,989,349.58
  5. Step 5: Solve for x
    x = 1,073,989,349.58/37,661.36
  6. Step 6: Final answer
    x = 28,517.01

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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.