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Finding the Fourth Proportional to 34,853.84, 48,099.02 and 18,939.32

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Solution

The fourth proportional to 34,853.84, 48,099.02 and 18,939.32 is: 26,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,853.84 : 48,099.02 = 18,939.32 : x
  2. Step 2: Convert to fraction form
    34,853.84/48,099.02 = 18,939.32/x
  3. Step 3: Cross multiply
    34,853.84x = 48,099.02 × 18,939.32
  4. Step 4: Simplify right side
    34,853.84x = 910,962,731.47
  5. Step 5: Solve for x
    x = 910,962,731.47/34,853.84
  6. Step 6: Final answer
    x = 26,136.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.