Home / 48,346.33-72,445.30-20,251

Finding the Fourth Proportional to 48,346.33, 72,445.30 and 20,251

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Solution

The fourth proportional to 48,346.33, 72,445.30 and 20,251 is: 30,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,346.33 : 72,445.30 = 20,251 : x
  2. Step 2: Convert to fraction form
    48,346.33/72,445.30 = 20,251/x
  3. Step 3: Cross multiply
    48,346.33x = 72,445.30 × 20,251
  4. Step 4: Simplify right side
    48,346.33x = 1,467,089,770.30
  5. Step 5: Solve for x
    x = 1,467,089,770.30/48,346.33
  6. Step 6: Final answer
    x = 30,345.42

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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.