Home / 30,233.58-41,699.60-21,283.62

Finding the Fourth Proportional to 30,233.58, 41,699.60 and 21,283.62

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Solution

The fourth proportional to 30,233.58, 41,699.60 and 21,283.62 is: 29,355.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.58 : 41,699.60 = 21,283.62 : x
  2. Step 2: Convert to fraction form
    30,233.58/41,699.60 = 21,283.62/x
  3. Step 3: Cross multiply
    30,233.58x = 41,699.60 × 21,283.62
  4. Step 4: Simplify right side
    30,233.58x = 887,518,440.55
  5. Step 5: Solve for x
    x = 887,518,440.55/30,233.58
  6. Step 6: Final answer
    x = 29,355.39

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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.