Home / 47,654.80-65,771.51-26,440.90

Finding the Fourth Proportional to 47,654.80, 65,771.51 and 26,440.90

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Solution

The fourth proportional to 47,654.80, 65,771.51 and 26,440.90 is: 36,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,654.80 : 65,771.51 = 26,440.90 : x
  2. Step 2: Convert to fraction form
    47,654.80/65,771.51 = 26,440.90/x
  3. Step 3: Cross multiply
    47,654.80x = 65,771.51 × 26,440.90
  4. Step 4: Simplify right side
    47,654.80x = 1,739,057,622.13
  5. Step 5: Solve for x
    x = 1,739,057,622.13/47,654.80
  6. Step 6: Final answer
    x = 36,492.81

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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.