Home / 30,910.60-42,654.36-17,483.23

Finding the Fourth Proportional to 30,910.60, 42,654.36 and 17,483.23

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Solution

The fourth proportional to 30,910.60, 42,654.36 and 17,483.23 is: 24,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,910.60 : 42,654.36 = 17,483.23 : x
  2. Step 2: Convert to fraction form
    30,910.60/42,654.36 = 17,483.23/x
  3. Step 3: Cross multiply
    30,910.60x = 42,654.36 × 17,483.23
  4. Step 4: Simplify right side
    30,910.60x = 745,735,986.38
  5. Step 5: Solve for x
    x = 745,735,986.38/30,910.60
  6. Step 6: Final answer
    x = 24,125.57

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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.