Home / 31,699.68-47,556.72-16,900.80

Finding the Fourth Proportional to 31,699.68, 47,556.72 and 16,900.80

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Solution

The fourth proportional to 31,699.68, 47,556.72 and 16,900.80 is: 25,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699.68 : 47,556.72 = 16,900.80 : x
  2. Step 2: Convert to fraction form
    31,699.68/47,556.72 = 16,900.80/x
  3. Step 3: Cross multiply
    31,699.68x = 47,556.72 × 16,900.80
  4. Step 4: Simplify right side
    31,699.68x = 803,746,613.38
  5. Step 5: Solve for x
    x = 803,746,613.38/31,699.68
  6. Step 6: Final answer
    x = 25,355.04

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1.5x scale

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.