Home / 36,520.08-50,411.88-21,426

Finding the Fourth Proportional to 36,520.08, 50,411.88 and 21,426

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Solution

The fourth proportional to 36,520.08, 50,411.88 and 21,426 is: 29,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,520.08 : 50,411.88 = 21,426 : x
  2. Step 2: Convert to fraction form
    36,520.08/50,411.88 = 21,426/x
  3. Step 3: Cross multiply
    36,520.08x = 50,411.88 × 21,426
  4. Step 4: Simplify right side
    36,520.08x = 1,080,124,940.88
  5. Step 5: Solve for x
    x = 1,080,124,940.88/36,520.08
  6. Step 6: Final answer
    x = 29,576.19

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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.