Home / 30,703.55-46,057.44-11,977.35

Finding the Fourth Proportional to 30,703.55, 46,057.44 and 11,977.35

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Solution

The fourth proportional to 30,703.55, 46,057.44 and 11,977.35 is: 17,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.55 : 46,057.44 = 11,977.35 : x
  2. Step 2: Convert to fraction form
    30,703.55/46,057.44 = 11,977.35/x
  3. Step 3: Cross multiply
    30,703.55x = 46,057.44 × 11,977.35
  4. Step 4: Simplify right side
    30,703.55x = 551,646,078.98
  5. Step 5: Solve for x
    x = 551,646,078.98/30,703.55
  6. Step 6: Final answer
    x = 17,966.85

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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.