Home / 37,822.90-56,741.12-12,861.65

Finding the Fourth Proportional to 37,822.90, 56,741.12 and 12,861.65

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Solution

The fourth proportional to 37,822.90, 56,741.12 and 12,861.65 is: 19,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,822.90 : 56,741.12 = 12,861.65 : x
  2. Step 2: Convert to fraction form
    37,822.90/56,741.12 = 12,861.65/x
  3. Step 3: Cross multiply
    37,822.90x = 56,741.12 × 12,861.65
  4. Step 4: Simplify right side
    37,822.90x = 729,784,426.05
  5. Step 5: Solve for x
    x = 729,784,426.05/37,822.90
  6. Step 6: Final answer
    x = 19,294.78

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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.