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Finding the Fourth Proportional to 30,630.93, 45,965.97 and 19,545.54

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Solution

The fourth proportional to 30,630.93, 45,965.97 and 19,545.54 is: 29,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630.93 : 45,965.97 = 19,545.54 : x
  2. Step 2: Convert to fraction form
    30,630.93/45,965.97 = 19,545.54/x
  3. Step 3: Cross multiply
    30,630.93x = 45,965.97 × 19,545.54
  4. Step 4: Simplify right side
    30,630.93x = 898,429,705.27
  5. Step 5: Solve for x
    x = 898,429,705.27/30,630.93
  6. Step 6: Final answer
    x = 29,330.80

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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.