Home / 65,440.33-98,175.87-21,065.41

Finding the Fourth Proportional to 65,440.33, 98,175.87 and 21,065.41

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Solution

The fourth proportional to 65,440.33, 98,175.87 and 21,065.41 is: 31,603.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,440.33 : 98,175.87 = 21,065.41 : x
  2. Step 2: Convert to fraction form
    65,440.33/98,175.87 = 21,065.41/x
  3. Step 3: Cross multiply
    65,440.33x = 98,175.87 × 21,065.41
  4. Step 4: Simplify right side
    65,440.33x = 2,068,114,848.33
  5. Step 5: Solve for x
    x = 2,068,114,848.33/65,440.33
  6. Step 6: Final answer
    x = 31,603.07

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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.