Home / 47,760.89-65,893.23-28,646.85

Finding the Fourth Proportional to 47,760.89, 65,893.23 and 28,646.85

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Solution

The fourth proportional to 47,760.89, 65,893.23 and 28,646.85 is: 39,522.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,760.89 : 65,893.23 = 28,646.85 : x
  2. Step 2: Convert to fraction form
    47,760.89/65,893.23 = 28,646.85/x
  3. Step 3: Cross multiply
    47,760.89x = 65,893.23 × 28,646.85
  4. Step 4: Simplify right side
    47,760.89x = 1,887,633,569.84
  5. Step 5: Solve for x
    x = 1,887,633,569.84/47,760.89
  6. Step 6: Final answer
    x = 39,522.58

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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.