Home / 35,682.12-49,234.23-21,535.74

Finding the Fourth Proportional to 35,682.12, 49,234.23 and 21,535.74

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Solution

The fourth proportional to 35,682.12, 49,234.23 and 21,535.74 is: 29,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,682.12 : 49,234.23 = 21,535.74 : x
  2. Step 2: Convert to fraction form
    35,682.12/49,234.23 = 21,535.74/x
  3. Step 3: Cross multiply
    35,682.12x = 49,234.23 × 21,535.74
  4. Step 4: Simplify right side
    35,682.12x = 1,060,295,576.38
  5. Step 5: Solve for x
    x = 1,060,295,576.38/35,682.12
  6. Step 6: Final answer
    x = 29,715.04

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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.