Home / 47,667.78-65,781.60-26,447.04

Finding the Fourth Proportional to 47,667.78, 65,781.60 and 26,447.04

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Solution

The fourth proportional to 47,667.78, 65,781.60 and 26,447.04 is: 36,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,667.78 : 65,781.60 = 26,447.04 : x
  2. Step 2: Convert to fraction form
    47,667.78/65,781.60 = 26,447.04/x
  3. Step 3: Cross multiply
    47,667.78x = 65,781.60 × 26,447.04
  4. Step 4: Simplify right side
    47,667.78x = 1,739,728,606.46
  5. Step 5: Solve for x
    x = 1,739,728,606.46/47,667.78
  6. Step 6: Final answer
    x = 36,496.95

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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.