Home / 65,460.32-98,194.12-18,714.40

Finding the Fourth Proportional to 65,460.32, 98,194.12 and 18,714.40

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Solution

The fourth proportional to 65,460.32, 98,194.12 and 18,714.40 is: 28,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,460.32 : 98,194.12 = 18,714.40 : x
  2. Step 2: Convert to fraction form
    65,460.32/98,194.12 = 18,714.40/x
  3. Step 3: Cross multiply
    65,460.32x = 98,194.12 × 18,714.40
  4. Step 4: Simplify right side
    65,460.32x = 1,837,644,039.33
  5. Step 5: Solve for x
    x = 1,837,644,039.33/65,460.32
  6. Step 6: Final answer
    x = 28,072.64

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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.