Home / 37,112.58-55,657.13-12,148.58

Finding the Fourth Proportional to 37,112.58, 55,657.13 and 12,148.58

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Solution

The fourth proportional to 37,112.58, 55,657.13 and 12,148.58 is: 18,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.58 : 55,657.13 = 12,148.58 : x
  2. Step 2: Convert to fraction form
    37,112.58/55,657.13 = 12,148.58/x
  3. Step 3: Cross multiply
    37,112.58x = 55,657.13 × 12,148.58
  4. Step 4: Simplify right side
    37,112.58x = 676,155,174.78
  5. Step 5: Solve for x
    x = 676,155,174.78/37,112.58
  6. Step 6: Final answer
    x = 18,219.03

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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.