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Finding the Fourth Proportional to 29,393.54, 44,079.02 and 12,515.84

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Solution

The fourth proportional to 29,393.54, 44,079.02 and 12,515.84 is: 18,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,393.54 : 44,079.02 = 12,515.84 : x
  2. Step 2: Convert to fraction form
    29,393.54/44,079.02 = 12,515.84/x
  3. Step 3: Cross multiply
    29,393.54x = 44,079.02 × 12,515.84
  4. Step 4: Simplify right side
    29,393.54x = 551,685,678.70
  5. Step 5: Solve for x
    x = 551,685,678.70/29,393.54
  6. Step 6: Final answer
    x = 18,768.95

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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.