Home / 76,638.42-114,977.07-24,048.36

Finding the Fourth Proportional to 76,638.42, 114,977.07 and 24,048.36

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Solution

The fourth proportional to 76,638.42, 114,977.07 and 24,048.36 is: 36,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,638.42 : 114,977.07 = 24,048.36 : x
  2. Step 2: Convert to fraction form
    76,638.42/114,977.07 = 24,048.36/x
  3. Step 3: Cross multiply
    76,638.42x = 114,977.07 × 24,048.36
  4. Step 4: Simplify right side
    76,638.42x = 2,765,009,971.11
  5. Step 5: Solve for x
    x = 2,765,009,971.11/76,638.42
  6. Step 6: Final answer
    x = 36,078.64

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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.