Home / 37,086.89-55,633.76-12,127.07

Finding the Fourth Proportional to 37,086.89, 55,633.76 and 12,127.07

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Solution

The fourth proportional to 37,086.89, 55,633.76 and 12,127.07 is: 18,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,086.89 : 55,633.76 = 12,127.07 : x
  2. Step 2: Convert to fraction form
    37,086.89/55,633.76 = 12,127.07/x
  3. Step 3: Cross multiply
    37,086.89x = 55,633.76 × 12,127.07
  4. Step 4: Simplify right side
    37,086.89x = 674,674,441.25
  5. Step 5: Solve for x
    x = 674,674,441.25/37,086.89
  6. Step 6: Final answer
    x = 18,191.72

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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.