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Finding the Fourth Proportional to 40,824, 61,236.05 and 16,200

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Solution

The fourth proportional to 40,824, 61,236.05 and 16,200 is: 24,300.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,824 : 61,236.05 = 16,200 : x
  2. Step 2: Convert to fraction form
    40,824/61,236.05 = 16,200/x
  3. Step 3: Cross multiply
    40,824x = 61,236.05 × 16,200
  4. Step 4: Simplify right side
    40,824x = 992,023,929
  5. Step 5: Solve for x
    x = 992,023,929/40,824
  6. Step 6: Final answer
    x = 24,300.02

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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.