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Finding the Fourth Proportional to 35,841.64, 49,461.78 and 19,926.40

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Solution

The fourth proportional to 35,841.64, 49,461.78 and 19,926.40 is: 27,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,841.64 : 49,461.78 = 19,926.40 : x
  2. Step 2: Convert to fraction form
    35,841.64/49,461.78 = 19,926.40/x
  3. Step 3: Cross multiply
    35,841.64x = 49,461.78 × 19,926.40
  4. Step 4: Simplify right side
    35,841.64x = 985,595,212.99
  5. Step 5: Solve for x
    x = 985,595,212.99/35,841.64
  6. Step 6: Final answer
    x = 27,498.61

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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.