Home / 51,609.67-71,222.16-28,953.70

Finding the Fourth Proportional to 51,609.67, 71,222.16 and 28,953.70

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Solution

The fourth proportional to 51,609.67, 71,222.16 and 28,953.70 is: 39,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,609.67 : 71,222.16 = 28,953.70 : x
  2. Step 2: Convert to fraction form
    51,609.67/71,222.16 = 28,953.70/x
  3. Step 3: Cross multiply
    51,609.67x = 71,222.16 × 28,953.70
  4. Step 4: Simplify right side
    51,609.67x = 2,062,145,053.99
  5. Step 5: Solve for x
    x = 2,062,145,053.99/51,609.67
  6. Step 6: Final answer
    x = 39,956.56

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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.