Home / 65,418.22-98,125.26-18,671.10

Finding the Fourth Proportional to 65,418.22, 98,125.26 and 18,671.10

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Solution

The fourth proportional to 65,418.22, 98,125.26 and 18,671.10 is: 28,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,418.22 : 98,125.26 = 18,671.10 : x
  2. Step 2: Convert to fraction form
    65,418.22/98,125.26 = 18,671.10/x
  3. Step 3: Cross multiply
    65,418.22x = 98,125.26 × 18,671.10
  4. Step 4: Simplify right side
    65,418.22x = 1,832,106,541.99
  5. Step 5: Solve for x
    x = 1,832,106,541.99/65,418.22
  6. Step 6: Final answer
    x = 28,006.06

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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.