Home / 30,349.88-45,548.21-19,817.04

Finding the Fourth Proportional to 30,349.88, 45,548.21 and 19,817.04

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Solution

The fourth proportional to 30,349.88, 45,548.21 and 19,817.04 is: 29,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.88 : 45,548.21 = 19,817.04 : x
  2. Step 2: Convert to fraction form
    30,349.88/45,548.21 = 19,817.04/x
  3. Step 3: Cross multiply
    30,349.88x = 45,548.21 × 19,817.04
  4. Step 4: Simplify right side
    30,349.88x = 902,630,699.50
  5. Step 5: Solve for x
    x = 902,630,699.50/30,349.88
  6. Step 6: Final answer
    x = 29,740.83

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1.5x scale

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.