Home / 30,292.60-45,505.14-21,583.48

Finding the Fourth Proportional to 30,292.60, 45,505.14 and 21,583.48

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Solution

The fourth proportional to 30,292.60, 45,505.14 and 21,583.48 is: 32,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.60 : 45,505.14 = 21,583.48 : x
  2. Step 2: Convert to fraction form
    30,292.60/45,505.14 = 21,583.48/x
  3. Step 3: Cross multiply
    30,292.60x = 45,505.14 × 21,583.48
  4. Step 4: Simplify right side
    30,292.60x = 982,159,279.09
  5. Step 5: Solve for x
    x = 982,159,279.09/30,292.60
  6. Step 6: Final answer
    x = 32,422.42

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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.