Home / 47,158.70-65,078.99-28,295.82

Finding the Fourth Proportional to 47,158.70, 65,078.99 and 28,295.82

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Solution

The fourth proportional to 47,158.70, 65,078.99 and 28,295.82 is: 39,048.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,158.70 : 65,078.99 = 28,295.82 : x
  2. Step 2: Convert to fraction form
    47,158.70/65,078.99 = 28,295.82/x
  3. Step 3: Cross multiply
    47,158.70x = 65,078.99 × 28,295.82
  4. Step 4: Simplify right side
    47,158.70x = 1,841,463,245.34
  5. Step 5: Solve for x
    x = 1,841,463,245.34/47,158.70
  6. Step 6: Final answer
    x = 39,048.22

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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.