Home / 37,129.29-51,237.81-20,996.37

Finding the Fourth Proportional to 37,129.29, 51,237.81 and 20,996.37

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Solution

The fourth proportional to 37,129.29, 51,237.81 and 20,996.37 is: 28,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,129.29 : 51,237.81 = 20,996.37 : x
  2. Step 2: Convert to fraction form
    37,129.29/51,237.81 = 20,996.37/x
  3. Step 3: Cross multiply
    37,129.29x = 51,237.81 × 20,996.37
  4. Step 4: Simplify right side
    37,129.29x = 1,075,808,016.75
  5. Step 5: Solve for x
    x = 1,075,808,016.75/37,129.29
  6. Step 6: Final answer
    x = 28,974.65

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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.