Home / 31,703.20-47,554.70-9,516.56

Finding the Fourth Proportional to 31,703.20, 47,554.70 and 9,516.56

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Solution

The fourth proportional to 31,703.20, 47,554.70 and 9,516.56 is: 14,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.20 : 47,554.70 = 9,516.56 : x
  2. Step 2: Convert to fraction form
    31,703.20/47,554.70 = 9,516.56/x
  3. Step 3: Cross multiply
    31,703.20x = 47,554.70 × 9,516.56
  4. Step 4: Simplify right side
    31,703.20x = 452,556,870.48
  5. Step 5: Solve for x
    x = 452,556,870.48/31,703.20
  6. Step 6: Final answer
    x = 14,274.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.