Home / 66,636.44-91,949.40-42,795.38

Finding the Fourth Proportional to 66,636.44, 91,949.40 and 42,795.38

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Solution

The fourth proportional to 66,636.44, 91,949.40 and 42,795.38 is: 59,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,636.44 : 91,949.40 = 42,795.38 : x
  2. Step 2: Convert to fraction form
    66,636.44/91,949.40 = 42,795.38/x
  3. Step 3: Cross multiply
    66,636.44x = 91,949.40 × 42,795.38
  4. Step 4: Simplify right side
    66,636.44x = 3,935,009,513.77
  5. Step 5: Solve for x
    x = 3,935,009,513.77/66,636.44
  6. Step 6: Final answer
    x = 59,051.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.