Home / 30,703.20-46,066.80-11,984.88

Finding the Fourth Proportional to 30,703.20, 46,066.80 and 11,984.88

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Solution

The fourth proportional to 30,703.20, 46,066.80 and 11,984.88 is: 17,982.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.20 : 46,066.80 = 11,984.88 : x
  2. Step 2: Convert to fraction form
    30,703.20/46,066.80 = 11,984.88/x
  3. Step 3: Cross multiply
    30,703.20x = 46,066.80 × 11,984.88
  4. Step 4: Simplify right side
    30,703.20x = 552,105,069.98
  5. Step 5: Solve for x
    x = 552,105,069.98/30,703.20
  6. Step 6: Final answer
    x = 17,982.00

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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.