Home / 47,577.60-65,656.08-27,434.40

Finding the Fourth Proportional to 47,577.60, 65,656.08 and 27,434.40

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Solution

The fourth proportional to 47,577.60, 65,656.08 and 27,434.40 is: 37,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,577.60 : 65,656.08 = 27,434.40 : x
  2. Step 2: Convert to fraction form
    47,577.60/65,656.08 = 27,434.40/x
  3. Step 3: Cross multiply
    47,577.60x = 65,656.08 × 27,434.40
  4. Step 4: Simplify right side
    47,577.60x = 1,801,235,161.15
  5. Step 5: Solve for x
    x = 1,801,235,161.15/47,577.60
  6. Step 6: Final answer
    x = 37,858.89

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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.