Home / 65,467.36-98,201.10-21,100.72

Finding the Fourth Proportional to 65,467.36, 98,201.10 and 21,100.72

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Solution

The fourth proportional to 65,467.36, 98,201.10 and 21,100.72 is: 31,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,467.36 : 98,201.10 = 21,100.72 : x
  2. Step 2: Convert to fraction form
    65,467.36/98,201.10 = 21,100.72/x
  3. Step 3: Cross multiply
    65,467.36x = 98,201.10 × 21,100.72
  4. Step 4: Simplify right side
    65,467.36x = 2,072,113,914.79
  5. Step 5: Solve for x
    x = 2,072,113,914.79/65,467.36
  6. Step 6: Final answer
    x = 31,651.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.