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Finding the Fourth Proportional to 40,230, 60,353.64 and 15,606

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Solution

The fourth proportional to 40,230, 60,353.64 and 15,606 is: 23,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,230 : 60,353.64 = 15,606 : x
  2. Step 2: Convert to fraction form
    40,230/60,353.64 = 15,606/x
  3. Step 3: Cross multiply
    40,230x = 60,353.64 × 15,606
  4. Step 4: Simplify right side
    40,230x = 941,878,905.84
  5. Step 5: Solve for x
    x = 941,878,905.84/40,230
  6. Step 6: Final answer
    x = 23,412.35

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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.