Home / 47,666.43-65,781.18-26,447.40

Finding the Fourth Proportional to 47,666.43, 65,781.18 and 26,447.40

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Solution

The fourth proportional to 47,666.43, 65,781.18 and 26,447.40 is: 36,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,666.43 : 65,781.18 = 26,447.40 : x
  2. Step 2: Convert to fraction form
    47,666.43/65,781.18 = 26,447.40/x
  3. Step 3: Cross multiply
    47,666.43x = 65,781.18 × 26,447.40
  4. Step 4: Simplify right side
    47,666.43x = 1,739,741,179.93
  5. Step 5: Solve for x
    x = 1,739,741,179.93/47,666.43
  6. Step 6: Final answer
    x = 36,498.25

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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.