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Finding the Fourth Proportional to 30,242.48, 45,324.60 and 16,187.60

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Solution

The fourth proportional to 30,242.48, 45,324.60 and 16,187.60 is: 24,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.48 : 45,324.60 = 16,187.60 : x
  2. Step 2: Convert to fraction form
    30,242.48/45,324.60 = 16,187.60/x
  3. Step 3: Cross multiply
    30,242.48x = 45,324.60 × 16,187.60
  4. Step 4: Simplify right side
    30,242.48x = 733,696,494.96
  5. Step 5: Solve for x
    x = 733,696,494.96/30,242.48
  6. Step 6: Final answer
    x = 24,260.46

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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.