Home / 47,506.74-65,558.88-28,385.48

Finding the Fourth Proportional to 47,506.74, 65,558.88 and 28,385.48

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Solution

The fourth proportional to 47,506.74, 65,558.88 and 28,385.48 is: 39,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,506.74 : 65,558.88 = 28,385.48 : x
  2. Step 2: Convert to fraction form
    47,506.74/65,558.88 = 28,385.48/x
  3. Step 3: Cross multiply
    47,506.74x = 65,558.88 × 28,385.48
  4. Step 4: Simplify right side
    47,506.74x = 1,860,919,949.27
  5. Step 5: Solve for x
    x = 1,860,919,949.27/47,506.74
  6. Step 6: Final answer
    x = 39,171.70

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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.