Home / 35,381.57-48,896.61-28,998.09

Finding the Fourth Proportional to 35,381.57, 48,896.61 and 28,998.09

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Solution

The fourth proportional to 35,381.57, 48,896.61 and 28,998.09 is: 40,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,381.57 : 48,896.61 = 28,998.09 : x
  2. Step 2: Convert to fraction form
    35,381.57/48,896.61 = 28,998.09/x
  3. Step 3: Cross multiply
    35,381.57x = 48,896.61 × 28,998.09
  4. Step 4: Simplify right side
    35,381.57x = 1,417,908,297.47
  5. Step 5: Solve for x
    x = 1,417,908,297.47/35,381.57
  6. Step 6: Final answer
    x = 40,074.78

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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.