Home / 31,594.08-47,380.80-10,529.60

Finding the Fourth Proportional to 31,594.08, 47,380.80 and 10,529.60

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Solution

The fourth proportional to 31,594.08, 47,380.80 and 10,529.60 is: 15,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,594.08 : 47,380.80 = 10,529.60 : x
  2. Step 2: Convert to fraction form
    31,594.08/47,380.80 = 10,529.60/x
  3. Step 3: Cross multiply
    31,594.08x = 47,380.80 × 10,529.60
  4. Step 4: Simplify right side
    31,594.08x = 498,900,871.68
  5. Step 5: Solve for x
    x = 498,900,871.68/31,594.08
  6. Step 6: Final answer
    x = 15,790.96

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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.