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Finding the Fourth Proportional to 59,146.26, 81,609.60 and 33,990.90

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Solution

The fourth proportional to 59,146.26, 81,609.60 and 33,990.90 is: 46,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,146.26 : 81,609.60 = 33,990.90 : x
  2. Step 2: Convert to fraction form
    59,146.26/81,609.60 = 33,990.90/x
  3. Step 3: Cross multiply
    59,146.26x = 81,609.60 × 33,990.90
  4. Step 4: Simplify right side
    59,146.26x = 2,773,983,752.64
  5. Step 5: Solve for x
    x = 2,773,983,752.64/59,146.26
  6. Step 6: Final answer
    x = 46,900.41

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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.