Home / 37,485.78-51,733.67-20,722.02

Finding the Fourth Proportional to 37,485.78, 51,733.67 and 20,722.02

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Solution

The fourth proportional to 37,485.78, 51,733.67 and 20,722.02 is: 28,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,485.78 : 51,733.67 = 20,722.02 : x
  2. Step 2: Convert to fraction form
    37,485.78/51,733.67 = 20,722.02/x
  3. Step 3: Cross multiply
    37,485.78x = 51,733.67 × 20,722.02
  4. Step 4: Simplify right side
    37,485.78x = 1,072,026,144.41
  5. Step 5: Solve for x
    x = 1,072,026,144.41/37,485.78
  6. Step 6: Final answer
    x = 28,598.21

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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.