Home / 37,020.60-55,530.86-12,060.61

Finding the Fourth Proportional to 37,020.60, 55,530.86 and 12,060.61

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Solution

The fourth proportional to 37,020.60, 55,530.86 and 12,060.61 is: 18,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,020.60 : 55,530.86 = 12,060.61 : x
  2. Step 2: Convert to fraction form
    37,020.60/55,530.86 = 12,060.61/x
  3. Step 3: Cross multiply
    37,020.60x = 55,530.86 × 12,060.61
  4. Step 4: Simplify right side
    37,020.60x = 669,736,045.42
  5. Step 5: Solve for x
    x = 669,736,045.42/37,020.60
  6. Step 6: Final answer
    x = 18,090.90

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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.