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Finding the Fourth Proportional to 30,258.52, 45,348.36 and 15,454.96

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Solution

The fourth proportional to 30,258.52, 45,348.36 and 15,454.96 is: 23,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.52 : 45,348.36 = 15,454.96 : x
  2. Step 2: Convert to fraction form
    30,258.52/45,348.36 = 15,454.96/x
  3. Step 3: Cross multiply
    30,258.52x = 45,348.36 × 15,454.96
  4. Step 4: Simplify right side
    30,258.52x = 700,857,089.87
  5. Step 5: Solve for x
    x = 700,857,089.87/30,258.52
  6. Step 6: Final answer
    x = 23,162.31

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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.