Home / 30,014.03-41,420.25-17,921.61

Finding the Fourth Proportional to 30,014.03, 41,420.25 and 17,921.61

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Solution

The fourth proportional to 30,014.03, 41,420.25 and 17,921.61 is: 24,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,014.03 : 41,420.25 = 17,921.61 : x
  2. Step 2: Convert to fraction form
    30,014.03/41,420.25 = 17,921.61/x
  3. Step 3: Cross multiply
    30,014.03x = 41,420.25 × 17,921.61
  4. Step 4: Simplify right side
    30,014.03x = 742,317,566.60
  5. Step 5: Solve for x
    x = 742,317,566.60/30,014.03
  6. Step 6: Final answer
    x = 24,732.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.