Home / 62,834.32-86,731.58-40,234.21

Finding the Fourth Proportional to 62,834.32, 86,731.58 and 40,234.21

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Solution

The fourth proportional to 62,834.32, 86,731.58 and 40,234.21 is: 55,536.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,834.32 : 86,731.58 = 40,234.21 : x
  2. Step 2: Convert to fraction form
    62,834.32/86,731.58 = 40,234.21/x
  3. Step 3: Cross multiply
    62,834.32x = 86,731.58 × 40,234.21
  4. Step 4: Simplify right side
    62,834.32x = 3,489,576,487.11
  5. Step 5: Solve for x
    x = 3,489,576,487.11/62,834.32
  6. Step 6: Final answer
    x = 55,536.15

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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.