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Finding the Fourth Proportional to 35,472.76, 48,949.62 and 19,556.32

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Solution

The fourth proportional to 35,472.76, 48,949.62 and 19,556.32 is: 26,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,472.76 : 48,949.62 = 19,556.32 : x
  2. Step 2: Convert to fraction form
    35,472.76/48,949.62 = 19,556.32/x
  3. Step 3: Cross multiply
    35,472.76x = 48,949.62 × 19,556.32
  4. Step 4: Simplify right side
    35,472.76x = 957,274,432.60
  5. Step 5: Solve for x
    x = 957,274,432.60/35,472.76
  6. Step 6: Final answer
    x = 26,986.18

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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.