Home / 37,148.12-55,720.21-12,184.88

Finding the Fourth Proportional to 37,148.12, 55,720.21 and 12,184.88

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Solution

The fourth proportional to 37,148.12, 55,720.21 and 12,184.88 is: 18,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,148.12 : 55,720.21 = 12,184.88 : x
  2. Step 2: Convert to fraction form
    37,148.12/55,720.21 = 12,184.88/x
  3. Step 3: Cross multiply
    37,148.12x = 55,720.21 × 12,184.88
  4. Step 4: Simplify right side
    37,148.12x = 678,943,793.82
  5. Step 5: Solve for x
    x = 678,943,793.82/37,148.12
  6. Step 6: Final answer
    x = 18,276.67

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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.