Home / 51,167.88-70,609.73-28,506.38

Finding the Fourth Proportional to 51,167.88, 70,609.73 and 28,506.38

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Solution

The fourth proportional to 51,167.88, 70,609.73 and 28,506.38 is: 39,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,167.88 : 70,609.73 = 28,506.38 : x
  2. Step 2: Convert to fraction form
    51,167.88/70,609.73 = 28,506.38/x
  3. Step 3: Cross multiply
    51,167.88x = 70,609.73 × 28,506.38
  4. Step 4: Simplify right side
    51,167.88x = 2,012,827,299.50
  5. Step 5: Solve for x
    x = 2,012,827,299.50/51,167.88
  6. Step 6: Final answer
    x = 39,337.71

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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.