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Finding the Fourth Proportional to 59,414.76, 89,112.60 and 21,992.58

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Solution

The fourth proportional to 59,414.76, 89,112.60 and 21,992.58 is: 32,985.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,414.76 : 89,112.60 = 21,992.58 : x
  2. Step 2: Convert to fraction form
    59,414.76/89,112.60 = 21,992.58/x
  3. Step 3: Cross multiply
    59,414.76x = 89,112.60 × 21,992.58
  4. Step 4: Simplify right side
    59,414.76x = 1,959,815,984.51
  5. Step 5: Solve for x
    x = 1,959,815,984.51/59,414.76
  6. Step 6: Final answer
    x = 32,985.34

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1.5x scale

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.