Home / 37,657.22-51,966.98-20,890.22

Finding the Fourth Proportional to 37,657.22, 51,966.98 and 20,890.22

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Solution

The fourth proportional to 37,657.22, 51,966.98 and 20,890.22 is: 28,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,657.22 : 51,966.98 = 20,890.22 : x
  2. Step 2: Convert to fraction form
    37,657.22/51,966.98 = 20,890.22/x
  3. Step 3: Cross multiply
    37,657.22x = 51,966.98 × 20,890.22
  4. Step 4: Simplify right side
    37,657.22x = 1,085,601,644.94
  5. Step 5: Solve for x
    x = 1,085,601,644.94/37,657.22
  6. Step 6: Final answer
    x = 28,828.51

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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.