Home / 30,433.80-45,654.96-13,798.02

Finding the Fourth Proportional to 30,433.80, 45,654.96 and 13,798.02

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Solution

The fourth proportional to 30,433.80, 45,654.96 and 13,798.02 is: 20,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433.80 : 45,654.96 = 13,798.02 : x
  2. Step 2: Convert to fraction form
    30,433.80/45,654.96 = 13,798.02/x
  3. Step 3: Cross multiply
    30,433.80x = 45,654.96 × 13,798.02
  4. Step 4: Simplify right side
    30,433.80x = 629,948,051.18
  5. Step 5: Solve for x
    x = 629,948,051.18/30,433.80
  6. Step 6: Final answer
    x = 20,698.96

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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.