Home / 37,658.18-56,397.44-20,976.86

Finding the Fourth Proportional to 37,658.18, 56,397.44 and 20,976.86

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Solution

The fourth proportional to 37,658.18, 56,397.44 and 20,976.86 is: 31,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,658.18 : 56,397.44 = 20,976.86 : x
  2. Step 2: Convert to fraction form
    37,658.18/56,397.44 = 20,976.86/x
  3. Step 3: Cross multiply
    37,658.18x = 56,397.44 × 20,976.86
  4. Step 4: Simplify right side
    37,658.18x = 1,183,041,203.24
  5. Step 5: Solve for x
    x = 1,183,041,203.24/37,658.18
  6. Step 6: Final answer
    x = 31,415.25

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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.