Home / 37,374.61-51,576.94-20,378.86

Finding the Fourth Proportional to 37,374.61, 51,576.94 and 20,378.86

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Solution

The fourth proportional to 37,374.61, 51,576.94 and 20,378.86 is: 28,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,374.61 : 51,576.94 = 20,378.86 : x
  2. Step 2: Convert to fraction form
    37,374.61/51,576.94 = 20,378.86/x
  3. Step 3: Cross multiply
    37,374.61x = 51,576.94 × 20,378.86
  4. Step 4: Simplify right side
    37,374.61x = 1,051,079,239.49
  5. Step 5: Solve for x
    x = 1,051,079,239.49/37,374.61
  6. Step 6: Final answer
    x = 28,122.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.