Home / 36,072.40-49,795.24-21,929.76

Finding the Fourth Proportional to 36,072.40, 49,795.24 and 21,929.76

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Solution

The fourth proportional to 36,072.40, 49,795.24 and 21,929.76 is: 30,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.40 : 49,795.24 = 21,929.76 : x
  2. Step 2: Convert to fraction form
    36,072.40/49,795.24 = 21,929.76/x
  3. Step 3: Cross multiply
    36,072.40x = 49,795.24 × 21,929.76
  4. Step 4: Simplify right side
    36,072.40x = 1,091,997,662.34
  5. Step 5: Solve for x
    x = 1,091,997,662.34/36,072.40
  6. Step 6: Final answer
    x = 30,272.39

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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.