Home / 40,624.85-56,076.39-27,920.09

Finding the Fourth Proportional to 40,624.85, 56,076.39 and 27,920.09

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Solution

The fourth proportional to 40,624.85, 56,076.39 and 27,920.09 is: 38,539.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,624.85 : 56,076.39 = 27,920.09 : x
  2. Step 2: Convert to fraction form
    40,624.85/56,076.39 = 27,920.09/x
  3. Step 3: Cross multiply
    40,624.85x = 56,076.39 × 27,920.09
  4. Step 4: Simplify right side
    40,624.85x = 1,565,657,855.68
  5. Step 5: Solve for x
    x = 1,565,657,855.68/40,624.85
  6. Step 6: Final answer
    x = 38,539.41

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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.