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Finding the Fourth Proportional to 35,820.76, 49,432.87 and 22,399.87

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Solution

The fourth proportional to 35,820.76, 49,432.87 and 22,399.87 is: 30,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,820.76 : 49,432.87 = 22,399.87 : x
  2. Step 2: Convert to fraction form
    35,820.76/49,432.87 = 22,399.87/x
  3. Step 3: Cross multiply
    35,820.76x = 49,432.87 × 22,399.87
  4. Step 4: Simplify right side
    35,820.76x = 1,107,289,766.14
  5. Step 5: Solve for x
    x = 1,107,289,766.14/35,820.76
  6. Step 6: Final answer
    x = 30,911.96

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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.