Home / 35,512.68-49,013.46-21,366.84

Finding the Fourth Proportional to 35,512.68, 49,013.46 and 21,366.84

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Solution

The fourth proportional to 35,512.68, 49,013.46 and 21,366.84 is: 29,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,512.68 : 49,013.46 = 21,366.84 : x
  2. Step 2: Convert to fraction form
    35,512.68/49,013.46 = 21,366.84/x
  3. Step 3: Cross multiply
    35,512.68x = 49,013.46 × 21,366.84
  4. Step 4: Simplify right side
    35,512.68x = 1,047,262,757.67
  5. Step 5: Solve for x
    x = 1,047,262,757.67/35,512.68
  6. Step 6: Final answer
    x = 29,489.83

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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.