Home / 40,289.40-60,405.30-18,084.60

Finding the Fourth Proportional to 40,289.40, 60,405.30 and 18,084.60

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Solution

The fourth proportional to 40,289.40, 60,405.30 and 18,084.60 is: 27,113.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,289.40 : 60,405.30 = 18,084.60 : x
  2. Step 2: Convert to fraction form
    40,289.40/60,405.30 = 18,084.60/x
  3. Step 3: Cross multiply
    40,289.40x = 60,405.30 × 18,084.60
  4. Step 4: Simplify right side
    40,289.40x = 1,092,405,688.38
  5. Step 5: Solve for x
    x = 1,092,405,688.38/40,289.40
  6. Step 6: Final answer
    x = 27,113.97

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1.5x scale

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.