Home / 34,845.60-48,087.45-18,930.36

Finding the Fourth Proportional to 34,845.60, 48,087.45 and 18,930.36

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Solution

The fourth proportional to 34,845.60, 48,087.45 and 18,930.36 is: 26,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,845.60 : 48,087.45 = 18,930.36 : x
  2. Step 2: Convert to fraction form
    34,845.60/48,087.45 = 18,930.36/x
  3. Step 3: Cross multiply
    34,845.60x = 48,087.45 × 18,930.36
  4. Step 4: Simplify right side
    34,845.60x = 910,312,739.98
  5. Step 5: Solve for x
    x = 910,312,739.98/34,845.60
  6. Step 6: Final answer
    x = 26,124.18

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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.