Home / 30,410.86-45,621.96-11,690.14

Finding the Fourth Proportional to 30,410.86, 45,621.96 and 11,690.14

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Solution

The fourth proportional to 30,410.86, 45,621.96 and 11,690.14 is: 17,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,410.86 : 45,621.96 = 11,690.14 : x
  2. Step 2: Convert to fraction form
    30,410.86/45,621.96 = 11,690.14/x
  3. Step 3: Cross multiply
    30,410.86x = 45,621.96 × 11,690.14
  4. Step 4: Simplify right side
    30,410.86x = 533,327,099.47
  5. Step 5: Solve for x
    x = 533,327,099.47/30,410.86
  6. Step 6: Final answer
    x = 17,537.39

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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.