Home / 47,725.56-65,867.58-28,859.04

Finding the Fourth Proportional to 47,725.56, 65,867.58 and 28,859.04

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Solution

The fourth proportional to 47,725.56, 65,867.58 and 28,859.04 is: 39,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,725.56 : 65,867.58 = 28,859.04 : x
  2. Step 2: Convert to fraction form
    47,725.56/65,867.58 = 28,859.04/x
  3. Step 3: Cross multiply
    47,725.56x = 65,867.58 × 28,859.04
  4. Step 4: Simplify right side
    47,725.56x = 1,900,875,125.92
  5. Step 5: Solve for x
    x = 1,900,875,125.92/47,725.56
  6. Step 6: Final answer
    x = 39,829.29

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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.