Home / 47,529.84-65,586.71-28,405.79

Finding the Fourth Proportional to 47,529.84, 65,586.71 and 28,405.79

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Solution

The fourth proportional to 47,529.84, 65,586.71 and 28,405.79 is: 39,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,529.84 : 65,586.71 = 28,405.79 : x
  2. Step 2: Convert to fraction form
    47,529.84/65,586.71 = 28,405.79/x
  3. Step 3: Cross multiply
    47,529.84x = 65,586.71 × 28,405.79
  4. Step 4: Simplify right side
    47,529.84x = 1,863,042,054.13
  5. Step 5: Solve for x
    x = 1,863,042,054.13/47,529.84
  6. Step 6: Final answer
    x = 39,197.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.