Home / 37,918.20-52,328.73-21,151.20

Finding the Fourth Proportional to 37,918.20, 52,328.73 and 21,151.20

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Solution

The fourth proportional to 37,918.20, 52,328.73 and 21,151.20 is: 29,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,918.20 : 52,328.73 = 21,151.20 : x
  2. Step 2: Convert to fraction form
    37,918.20/52,328.73 = 21,151.20/x
  3. Step 3: Cross multiply
    37,918.20x = 52,328.73 × 21,151.20
  4. Step 4: Simplify right side
    37,918.20x = 1,106,815,433.98
  5. Step 5: Solve for x
    x = 1,106,815,433.98/37,918.20
  6. Step 6: Final answer
    x = 29,189.56

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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.