Home / 37,539.65-56,318.47-12,579.80

Finding the Fourth Proportional to 37,539.65, 56,318.47 and 12,579.80

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Solution

The fourth proportional to 37,539.65, 56,318.47 and 12,579.80 is: 18,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,539.65 : 56,318.47 = 12,579.80 : x
  2. Step 2: Convert to fraction form
    37,539.65/56,318.47 = 12,579.80/x
  3. Step 3: Cross multiply
    37,539.65x = 56,318.47 × 12,579.80
  4. Step 4: Simplify right side
    37,539.65x = 708,474,775.86
  5. Step 5: Solve for x
    x = 708,474,775.86/37,539.65
  6. Step 6: Final answer
    x = 18,872.70

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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.