Home / 37,195.31-51,329.53-20,428.31

Finding the Fourth Proportional to 37,195.31, 51,329.53 and 20,428.31

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Solution

The fourth proportional to 37,195.31, 51,329.53 and 20,428.31 is: 28,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,195.31 : 51,329.53 = 20,428.31 : x
  2. Step 2: Convert to fraction form
    37,195.31/51,329.53 = 20,428.31/x
  3. Step 3: Cross multiply
    37,195.31x = 51,329.53 × 20,428.31
  4. Step 4: Simplify right side
    37,195.31x = 1,048,575,704.85
  5. Step 5: Solve for x
    x = 1,048,575,704.85/37,195.31
  6. Step 6: Final answer
    x = 28,191.07

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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.