Home / 37,701.72-56,543.24-12,741.21

Finding the Fourth Proportional to 37,701.72, 56,543.24 and 12,741.21

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Solution

The fourth proportional to 37,701.72, 56,543.24 and 12,741.21 is: 19,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,701.72 : 56,543.24 = 12,741.21 : x
  2. Step 2: Convert to fraction form
    37,701.72/56,543.24 = 12,741.21/x
  3. Step 3: Cross multiply
    37,701.72x = 56,543.24 × 12,741.21
  4. Step 4: Simplify right side
    37,701.72x = 720,429,231.21
  5. Step 5: Solve for x
    x = 720,429,231.21/37,701.72
  6. Step 6: Final answer
    x = 19,108.66

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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.