Home / 37,239.89-55,861.90-12,278.93

Finding the Fourth Proportional to 37,239.89, 55,861.90 and 12,278.93

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Solution

The fourth proportional to 37,239.89, 55,861.90 and 12,278.93 is: 18,419.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,239.89 : 55,861.90 = 12,278.93 : x
  2. Step 2: Convert to fraction form
    37,239.89/55,861.90 = 12,278.93/x
  3. Step 3: Cross multiply
    37,239.89x = 55,861.90 × 12,278.93
  4. Step 4: Simplify right side
    37,239.89x = 685,924,049.76
  5. Step 5: Solve for x
    x = 685,924,049.76/37,239.89
  6. Step 6: Final answer
    x = 18,419.07

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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.