Home / 47,790.14-65,953.86-28,670.75

Finding the Fourth Proportional to 47,790.14, 65,953.86 and 28,670.75

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Solution

The fourth proportional to 47,790.14, 65,953.86 and 28,670.75 is: 39,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,790.14 : 65,953.86 = 28,670.75 : x
  2. Step 2: Convert to fraction form
    47,790.14/65,953.86 = 28,670.75/x
  3. Step 3: Cross multiply
    47,790.14x = 65,953.86 × 28,670.75
  4. Step 4: Simplify right side
    47,790.14x = 1,890,946,301.83
  5. Step 5: Solve for x
    x = 1,890,946,301.83/47,790.14
  6. Step 6: Final answer
    x = 39,567.71

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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.