Home / 64,943.31-97,418.75-18,199.83

Finding the Fourth Proportional to 64,943.31, 97,418.75 and 18,199.83

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Solution

The fourth proportional to 64,943.31, 97,418.75 and 18,199.83 is: 27,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,943.31 : 97,418.75 = 18,199.83 : x
  2. Step 2: Convert to fraction form
    64,943.31/97,418.75 = 18,199.83/x
  3. Step 3: Cross multiply
    64,943.31x = 97,418.75 × 18,199.83
  4. Step 4: Simplify right side
    64,943.31x = 1,773,004,597.81
  5. Step 5: Solve for x
    x = 1,773,004,597.81/64,943.31
  6. Step 6: Final answer
    x = 27,300.80

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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.