Home / 35,288.46-48,694.50-21,140.94

Finding the Fourth Proportional to 35,288.46, 48,694.50 and 21,140.94

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Solution

The fourth proportional to 35,288.46, 48,694.50 and 21,140.94 is: 29,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,288.46 : 48,694.50 = 21,140.94 : x
  2. Step 2: Convert to fraction form
    35,288.46/48,694.50 = 21,140.94/x
  3. Step 3: Cross multiply
    35,288.46x = 48,694.50 × 21,140.94
  4. Step 4: Simplify right side
    35,288.46x = 1,029,447,502.83
  5. Step 5: Solve for x
    x = 1,029,447,502.83/35,288.46
  6. Step 6: Final answer
    x = 29,172.36

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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.