Home / 37,641.78-51,947.91-21,514.14

Finding the Fourth Proportional to 37,641.78, 51,947.91 and 21,514.14

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Solution

The fourth proportional to 37,641.78, 51,947.91 and 21,514.14 is: 29,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,641.78 : 51,947.91 = 21,514.14 : x
  2. Step 2: Convert to fraction form
    37,641.78/51,947.91 = 21,514.14/x
  3. Step 3: Cross multiply
    37,641.78x = 51,947.91 × 21,514.14
  4. Step 4: Simplify right side
    37,641.78x = 1,117,614,608.45
  5. Step 5: Solve for x
    x = 1,117,614,608.45/37,641.78
  6. Step 6: Final answer
    x = 29,690.80

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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.