Home / 65,918.52-98,887.64-19,165.32

Finding the Fourth Proportional to 65,918.52, 98,887.64 and 19,165.32

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Solution

The fourth proportional to 65,918.52, 98,887.64 and 19,165.32 is: 28,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.52 : 98,887.64 = 19,165.32 : x
  2. Step 2: Convert to fraction form
    65,918.52/98,887.64 = 19,165.32/x
  3. Step 3: Cross multiply
    65,918.52x = 98,887.64 × 19,165.32
  4. Step 4: Simplify right side
    65,918.52x = 1,895,213,168.82
  5. Step 5: Solve for x
    x = 1,895,213,168.82/65,918.52
  6. Step 6: Final answer
    x = 28,750.85

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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.