Home / 47,230.12-65,149.86-28,371.88

Finding the Fourth Proportional to 47,230.12, 65,149.86 and 28,371.88

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Solution

The fourth proportional to 47,230.12, 65,149.86 and 28,371.88 is: 39,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,230.12 : 65,149.86 = 28,371.88 : x
  2. Step 2: Convert to fraction form
    47,230.12/65,149.86 = 28,371.88/x
  3. Step 3: Cross multiply
    47,230.12x = 65,149.86 × 28,371.88
  4. Step 4: Simplify right side
    47,230.12x = 1,848,424,009.94
  5. Step 5: Solve for x
    x = 1,848,424,009.94/47,230.12
  6. Step 6: Final answer
    x = 39,136.55

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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.