Home / 30,454.20-45,680.76-15,654.42

Finding the Fourth Proportional to 30,454.20, 45,680.76 and 15,654.42

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Solution

The fourth proportional to 30,454.20, 45,680.76 and 15,654.42 is: 23,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454.20 : 45,680.76 = 15,654.42 : x
  2. Step 2: Convert to fraction form
    30,454.20/45,680.76 = 15,654.42/x
  3. Step 3: Cross multiply
    30,454.20x = 45,680.76 × 15,654.42
  4. Step 4: Simplify right side
    30,454.20x = 715,105,802.96
  5. Step 5: Solve for x
    x = 715,105,802.96/30,454.20
  6. Step 6: Final answer
    x = 23,481.35

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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.