Home / 39,839.86-54,905.77-37,311.82

Finding the Fourth Proportional to 39,839.86, 54,905.77 and 37,311.82

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Solution

The fourth proportional to 39,839.86, 54,905.77 and 37,311.82 is: 51,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,839.86 : 54,905.77 = 37,311.82 : x
  2. Step 2: Convert to fraction form
    39,839.86/54,905.77 = 37,311.82/x
  3. Step 3: Cross multiply
    39,839.86x = 54,905.77 × 37,311.82
  4. Step 4: Simplify right side
    39,839.86x = 2,048,634,207.20
  5. Step 5: Solve for x
    x = 2,048,634,207.20/39,839.86
  6. Step 6: Final answer
    x = 51,421.72

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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.