Home / 51,939.26-71,676.16-28,065.93

Finding the Fourth Proportional to 51,939.26, 71,676.16 and 28,065.93

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Solution

The fourth proportional to 51,939.26, 71,676.16 and 28,065.93 is: 38,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,939.26 : 71,676.16 = 28,065.93 : x
  2. Step 2: Convert to fraction form
    51,939.26/71,676.16 = 28,065.93/x
  3. Step 3: Cross multiply
    51,939.26x = 71,676.16 × 28,065.93
  4. Step 4: Simplify right side
    51,939.26x = 2,011,658,153.46
  5. Step 5: Solve for x
    x = 2,011,658,153.46/51,939.26
  6. Step 6: Final answer
    x = 38,730.97

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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.