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Finding the Fourth Proportional to 35,381.54, 48,806.25 and 22,110.50

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Solution

The fourth proportional to 35,381.54, 48,806.25 and 22,110.50 is: 30,499.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,381.54 : 48,806.25 = 22,110.50 : x
  2. Step 2: Convert to fraction form
    35,381.54/48,806.25 = 22,110.50/x
  3. Step 3: Cross multiply
    35,381.54x = 48,806.25 × 22,110.50
  4. Step 4: Simplify right side
    35,381.54x = 1,079,130,590.63
  5. Step 5: Solve for x
    x = 1,079,130,590.63/35,381.54
  6. Step 6: Final answer
    x = 30,499.82

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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.