Home / 31,751.37-47,655.61-16,972.92

Finding the Fourth Proportional to 31,751.37, 47,655.61 and 16,972.92

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Solution

The fourth proportional to 31,751.37, 47,655.61 and 16,972.92 is: 25,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,751.37 : 47,655.61 = 16,972.92 : x
  2. Step 2: Convert to fraction form
    31,751.37/47,655.61 = 16,972.92/x
  3. Step 3: Cross multiply
    31,751.37x = 47,655.61 × 16,972.92
  4. Step 4: Simplify right side
    31,751.37x = 808,854,813.65
  5. Step 5: Solve for x
    x = 808,854,813.65/31,751.37
  6. Step 6: Final answer
    x = 25,474.64

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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.