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Finding the Fourth Proportional to 40,337.49, 60,509.45 and 12,260

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Solution

The fourth proportional to 40,337.49, 60,509.45 and 12,260 is: 18,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,337.49 : 60,509.45 = 12,260 : x
  2. Step 2: Convert to fraction form
    40,337.49/60,509.45 = 12,260/x
  3. Step 3: Cross multiply
    40,337.49x = 60,509.45 × 12,260
  4. Step 4: Simplify right side
    40,337.49x = 741,845,857
  5. Step 5: Solve for x
    x = 741,845,857/40,337.49
  6. Step 6: Final answer
    x = 18,390.98

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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.