Home / 31,851.69-47,777.64-9,665.25

Finding the Fourth Proportional to 31,851.69, 47,777.64 and 9,665.25

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Solution

The fourth proportional to 31,851.69, 47,777.64 and 9,665.25 is: 14,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,851.69 : 47,777.64 = 9,665.25 : x
  2. Step 2: Convert to fraction form
    31,851.69/47,777.64 = 9,665.25/x
  3. Step 3: Cross multiply
    31,851.69x = 47,777.64 × 9,665.25
  4. Step 4: Simplify right side
    31,851.69x = 461,782,835.01
  5. Step 5: Solve for x
    x = 461,782,835.01/31,851.69
  6. Step 6: Final answer
    x = 14,497.91

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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.