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Finding the Fourth Proportional to 35,377.84, 48,821.64 and 19,461.88

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Solution

The fourth proportional to 35,377.84, 48,821.64 and 19,461.88 is: 26,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,377.84 : 48,821.64 = 19,461.88 : x
  2. Step 2: Convert to fraction form
    35,377.84/48,821.64 = 19,461.88/x
  3. Step 3: Cross multiply
    35,377.84x = 48,821.64 × 19,461.88
  4. Step 4: Simplify right side
    35,377.84x = 950,160,899.08
  5. Step 5: Solve for x
    x = 950,160,899.08/35,377.84
  6. Step 6: Final answer
    x = 26,857.52

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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.