Home / 34,827.88-48,062.10-19,720.12

Finding the Fourth Proportional to 34,827.88, 48,062.10 and 19,720.12

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Solution

The fourth proportional to 34,827.88, 48,062.10 and 19,720.12 is: 27,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,827.88 : 48,062.10 = 19,720.12 : x
  2. Step 2: Convert to fraction form
    34,827.88/48,062.10 = 19,720.12/x
  3. Step 3: Cross multiply
    34,827.88x = 48,062.10 × 19,720.12
  4. Step 4: Simplify right side
    34,827.88x = 947,790,379.45
  5. Step 5: Solve for x
    x = 947,790,379.45/34,827.88
  6. Step 6: Final answer
    x = 27,213.55

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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.