Home / 37,131.54-51,232.71-20,999.22

Finding the Fourth Proportional to 37,131.54, 51,232.71 and 20,999.22

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Solution

The fourth proportional to 37,131.54, 51,232.71 and 20,999.22 is: 28,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.54 : 51,232.71 = 20,999.22 : x
  2. Step 2: Convert to fraction form
    37,131.54/51,232.71 = 20,999.22/x
  3. Step 3: Cross multiply
    37,131.54x = 51,232.71 × 20,999.22
  4. Step 4: Simplify right side
    37,131.54x = 1,075,846,948.49
  5. Step 5: Solve for x
    x = 1,075,846,948.49/37,131.54
  6. Step 6: Final answer
    x = 28,973.94

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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.