Home / 47,638.60-65,736.96-26,417.80

Finding the Fourth Proportional to 47,638.60, 65,736.96 and 26,417.80

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Solution

The fourth proportional to 47,638.60, 65,736.96 and 26,417.80 is: 36,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.60 : 65,736.96 = 26,417.80 : x
  2. Step 2: Convert to fraction form
    47,638.60/65,736.96 = 26,417.80/x
  3. Step 3: Cross multiply
    47,638.60x = 65,736.96 × 26,417.80
  4. Step 4: Simplify right side
    47,638.60x = 1,736,625,861.89
  5. Step 5: Solve for x
    x = 1,736,625,861.89/47,638.60
  6. Step 6: Final answer
    x = 36,454.18

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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.