Home / 31,729.20-47,594.55-10,669.51

Finding the Fourth Proportional to 31,729.20, 47,594.55 and 10,669.51

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Solution

The fourth proportional to 31,729.20, 47,594.55 and 10,669.51 is: 16,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.20 : 47,594.55 = 10,669.51 : x
  2. Step 2: Convert to fraction form
    31,729.20/47,594.55 = 10,669.51/x
  3. Step 3: Cross multiply
    31,729.20x = 47,594.55 × 10,669.51
  4. Step 4: Simplify right side
    31,729.20x = 507,810,527.17
  5. Step 5: Solve for x
    x = 507,810,527.17/31,729.20
  6. Step 6: Final answer
    x = 16,004.52

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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.