Home / 47,656.44-65,766.84-28,537.05

Finding the Fourth Proportional to 47,656.44, 65,766.84 and 28,537.05

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Solution

The fourth proportional to 47,656.44, 65,766.84 and 28,537.05 is: 39,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,656.44 : 65,766.84 = 28,537.05 : x
  2. Step 2: Convert to fraction form
    47,656.44/65,766.84 = 28,537.05/x
  3. Step 3: Cross multiply
    47,656.44x = 65,766.84 × 28,537.05
  4. Step 4: Simplify right side
    47,656.44x = 1,876,791,601.42
  5. Step 5: Solve for x
    x = 1,876,791,601.42/47,656.44
  6. Step 6: Final answer
    x = 39,381.70

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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.