Home / 37,657.09-51,951.22-21,730.24

Finding the Fourth Proportional to 37,657.09, 51,951.22 and 21,730.24

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Solution

The fourth proportional to 37,657.09, 51,951.22 and 21,730.24 is: 29,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,657.09 : 51,951.22 = 21,730.24 : x
  2. Step 2: Convert to fraction form
    37,657.09/51,951.22 = 21,730.24/x
  3. Step 3: Cross multiply
    37,657.09x = 51,951.22 × 21,730.24
  4. Step 4: Simplify right side
    37,657.09x = 1,128,912,478.89
  5. Step 5: Solve for x
    x = 1,128,912,478.89/37,657.09
  6. Step 6: Final answer
    x = 29,978.75

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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.