Home / 30,654.22-45,938.80-13,973.48

Finding the Fourth Proportional to 30,654.22, 45,938.80 and 13,973.48

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Solution

The fourth proportional to 30,654.22, 45,938.80 and 13,973.48 is: 20,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.22 : 45,938.80 = 13,973.48 : x
  2. Step 2: Convert to fraction form
    30,654.22/45,938.80 = 13,973.48/x
  3. Step 3: Cross multiply
    30,654.22x = 45,938.80 × 13,973.48
  4. Step 4: Simplify right side
    30,654.22x = 641,924,903.02
  5. Step 5: Solve for x
    x = 641,924,903.02/30,654.22
  6. Step 6: Final answer
    x = 20,940.83

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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.