Home / 34,815.60-48,043.86-18,899.88

Finding the Fourth Proportional to 34,815.60, 48,043.86 and 18,899.88

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Solution

The fourth proportional to 34,815.60, 48,043.86 and 18,899.88 is: 26,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,815.60 : 48,043.86 = 18,899.88 : x
  2. Step 2: Convert to fraction form
    34,815.60/48,043.86 = 18,899.88/x
  3. Step 3: Cross multiply
    34,815.60x = 48,043.86 × 18,899.88
  4. Step 4: Simplify right side
    34,815.60x = 908,023,188.74
  5. Step 5: Solve for x
    x = 908,023,188.74/34,815.60
  6. Step 6: Final answer
    x = 26,080.93

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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.