Home / 30,386.20-45,586.64-11,410.99

Finding the Fourth Proportional to 30,386.20, 45,586.64 and 11,410.99

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Solution

The fourth proportional to 30,386.20, 45,586.64 and 11,410.99 is: 17,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.20 : 45,586.64 = 11,410.99 : x
  2. Step 2: Convert to fraction form
    30,386.20/45,586.64 = 11,410.99/x
  3. Step 3: Cross multiply
    30,386.20x = 45,586.64 × 11,410.99
  4. Step 4: Simplify right side
    30,386.20x = 520,188,636.12
  5. Step 5: Solve for x
    x = 520,188,636.12/30,386.20
  6. Step 6: Final answer
    x = 17,119.24

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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.