Home / 37,380.08-56,069.77-12,421.96

Finding the Fourth Proportional to 37,380.08, 56,069.77 and 12,421.96

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Solution

The fourth proportional to 37,380.08, 56,069.77 and 12,421.96 is: 18,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,380.08 : 56,069.77 = 12,421.96 : x
  2. Step 2: Convert to fraction form
    37,380.08/56,069.77 = 12,421.96/x
  3. Step 3: Cross multiply
    37,380.08x = 56,069.77 × 12,421.96
  4. Step 4: Simplify right side
    37,380.08x = 696,496,440.15
  5. Step 5: Solve for x
    x = 696,496,440.15/37,380.08
  6. Step 6: Final answer
    x = 18,632.82

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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.