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Finding the Fourth Proportional to 35,388, 53,106.30 and 14,611.68

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Solution

The fourth proportional to 35,388, 53,106.30 and 14,611.68 is: 21,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,388 : 53,106.30 = 14,611.68 : x
  2. Step 2: Convert to fraction form
    35,388/53,106.30 = 14,611.68/x
  3. Step 3: Cross multiply
    35,388x = 53,106.30 × 14,611.68
  4. Step 4: Simplify right side
    35,388x = 775,972,261.58
  5. Step 5: Solve for x
    x = 775,972,261.58/35,388
  6. Step 6: Final answer
    x = 21,927.55

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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.