Home / 65,694.10-98,555.56-21,325.32

Finding the Fourth Proportional to 65,694.10, 98,555.56 and 21,325.32

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Solution

The fourth proportional to 65,694.10, 98,555.56 and 21,325.32 is: 31,992.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,694.10 : 98,555.56 = 21,325.32 : x
  2. Step 2: Convert to fraction form
    65,694.10/98,555.56 = 21,325.32/x
  3. Step 3: Cross multiply
    65,694.10x = 98,555.56 × 21,325.32
  4. Step 4: Simplify right side
    65,694.10x = 2,101,728,854.78
  5. Step 5: Solve for x
    x = 2,101,728,854.78/65,694.10
  6. Step 6: Final answer
    x = 31,992.66

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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.