Home / 37,333.26-51,519.48-21,420.20

Finding the Fourth Proportional to 37,333.26, 51,519.48 and 21,420.20

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Solution

The fourth proportional to 37,333.26, 51,519.48 and 21,420.20 is: 29,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,333.26 : 51,519.48 = 21,420.20 : x
  2. Step 2: Convert to fraction form
    37,333.26/51,519.48 = 21,420.20/x
  3. Step 3: Cross multiply
    37,333.26x = 51,519.48 × 21,420.20
  4. Step 4: Simplify right side
    37,333.26x = 1,103,557,307.90
  5. Step 5: Solve for x
    x = 1,103,557,307.90/37,333.26
  6. Step 6: Final answer
    x = 29,559.63

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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.