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Finding the Fourth Proportional to 59,130.88, 81,564.80 and 35,241.60

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Solution

The fourth proportional to 59,130.88, 81,564.80 and 35,241.60 is: 48,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,130.88 : 81,564.80 = 35,241.60 : x
  2. Step 2: Convert to fraction form
    59,130.88/81,564.80 = 35,241.60/x
  3. Step 3: Cross multiply
    59,130.88x = 81,564.80 × 35,241.60
  4. Step 4: Simplify right side
    59,130.88x = 2,874,474,055.68
  5. Step 5: Solve for x
    x = 2,874,474,055.68/59,130.88
  6. Step 6: Final answer
    x = 48,612.06

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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.