Home / 47,734.56-65,875.14-28,860.84

Finding the Fourth Proportional to 47,734.56, 65,875.14 and 28,860.84

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Solution

The fourth proportional to 47,734.56, 65,875.14 and 28,860.84 is: 39,828.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,734.56 : 65,875.14 = 28,860.84 : x
  2. Step 2: Convert to fraction form
    47,734.56/65,875.14 = 28,860.84/x
  3. Step 3: Cross multiply
    47,734.56x = 65,875.14 × 28,860.84
  4. Step 4: Simplify right side
    47,734.56x = 1,901,211,875.52
  5. Step 5: Solve for x
    x = 1,901,211,875.52/47,734.56
  6. Step 6: Final answer
    x = 39,828.83

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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.