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Finding the Fourth Proportional to 35,384.40, 48,829.24 and 19,468.68

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Solution

The fourth proportional to 35,384.40, 48,829.24 and 19,468.68 is: 26,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,384.40 : 48,829.24 = 19,468.68 : x
  2. Step 2: Convert to fraction form
    35,384.40/48,829.24 = 19,468.68/x
  3. Step 3: Cross multiply
    35,384.40x = 48,829.24 × 19,468.68
  4. Step 4: Simplify right side
    35,384.40x = 950,640,848.20
  5. Step 5: Solve for x
    x = 950,640,848.20/35,384.40
  6. Step 6: Final answer
    x = 26,866.10

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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.