Home / 64,850.81-97,279.20-19,868.95

Finding the Fourth Proportional to 64,850.81, 97,279.20 and 19,868.95

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Solution

The fourth proportional to 64,850.81, 97,279.20 and 19,868.95 is: 29,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,850.81 : 97,279.20 = 19,868.95 : x
  2. Step 2: Convert to fraction form
    64,850.81/97,279.20 = 19,868.95/x
  3. Step 3: Cross multiply
    64,850.81x = 97,279.20 × 19,868.95
  4. Step 4: Simplify right side
    64,850.81x = 1,932,835,464.72
  5. Step 5: Solve for x
    x = 1,932,835,464.72/64,850.81
  6. Step 6: Final answer
    x = 29,804.34

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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.