Home / 38,404.60-57,612.30-12,106.60

Finding the Fourth Proportional to 38,404.60, 57,612.30 and 12,106.60

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Solution

The fourth proportional to 38,404.60, 57,612.30 and 12,106.60 is: 18,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,404.60 : 57,612.30 = 12,106.60 : x
  2. Step 2: Convert to fraction form
    38,404.60/57,612.30 = 12,106.60/x
  3. Step 3: Cross multiply
    38,404.60x = 57,612.30 × 12,106.60
  4. Step 4: Simplify right side
    38,404.60x = 697,489,071.18
  5. Step 5: Solve for x
    x = 697,489,071.18/38,404.60
  6. Step 6: Final answer
    x = 18,161.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.