Home / 37,417.70-51,645.29-21,511.39

Finding the Fourth Proportional to 37,417.70, 51,645.29 and 21,511.39

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Solution

The fourth proportional to 37,417.70, 51,645.29 and 21,511.39 is: 29,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,417.70 : 51,645.29 = 21,511.39 : x
  2. Step 2: Convert to fraction form
    37,417.70/51,645.29 = 21,511.39/x
  3. Step 3: Cross multiply
    37,417.70x = 51,645.29 × 21,511.39
  4. Step 4: Simplify right side
    37,417.70x = 1,110,961,974.85
  5. Step 5: Solve for x
    x = 1,110,961,974.85/37,417.70
  6. Step 6: Final answer
    x = 29,690.81

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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.