Home / 64,943.12-97,418.34-18,199.64

Finding the Fourth Proportional to 64,943.12, 97,418.34 and 18,199.64

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Solution

The fourth proportional to 64,943.12, 97,418.34 and 18,199.64 is: 27,300.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,943.12 : 97,418.34 = 18,199.64 : x
  2. Step 2: Convert to fraction form
    64,943.12/97,418.34 = 18,199.64/x
  3. Step 3: Cross multiply
    64,943.12x = 97,418.34 × 18,199.64
  4. Step 4: Simplify right side
    64,943.12x = 1,772,978,717.40
  5. Step 5: Solve for x
    x = 1,772,978,717.40/64,943.12
  6. Step 6: Final answer
    x = 27,300.49

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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.