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Finding the Fourth Proportional to 45,274.48, 67,894.44 and 24,486.64

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Solution

The fourth proportional to 45,274.48, 67,894.44 and 24,486.64 is: 36,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,274.48 : 67,894.44 = 24,486.64 : x
  2. Step 2: Convert to fraction form
    45,274.48/67,894.44 = 24,486.64/x
  3. Step 3: Cross multiply
    45,274.48x = 67,894.44 × 24,486.64
  4. Step 4: Simplify right side
    45,274.48x = 1,662,506,710.28
  5. Step 5: Solve for x
    x = 1,662,506,710.28/45,274.48
  6. Step 6: Final answer
    x = 36,720.61

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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.