Home / 37,089.56-55,641.50-12,122.88

Finding the Fourth Proportional to 37,089.56, 55,641.50 and 12,122.88

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Solution

The fourth proportional to 37,089.56, 55,641.50 and 12,122.88 is: 18,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,089.56 : 55,641.50 = 12,122.88 : x
  2. Step 2: Convert to fraction form
    37,089.56/55,641.50 = 12,122.88/x
  3. Step 3: Cross multiply
    37,089.56x = 55,641.50 × 12,122.88
  4. Step 4: Simplify right side
    37,089.56x = 674,535,227.52
  5. Step 5: Solve for x
    x = 674,535,227.52/37,089.56
  6. Step 6: Final answer
    x = 18,186.66

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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.