Home / 37,884.51-56,826.77-21,219.57

Finding the Fourth Proportional to 37,884.51, 56,826.77 and 21,219.57

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Solution

The fourth proportional to 37,884.51, 56,826.77 and 21,219.57 is: 31,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,884.51 : 56,826.77 = 21,219.57 : x
  2. Step 2: Convert to fraction form
    37,884.51/56,826.77 = 21,219.57/x
  3. Step 3: Cross multiply
    37,884.51x = 56,826.77 × 21,219.57
  4. Step 4: Simplify right side
    37,884.51x = 1,205,839,517.79
  5. Step 5: Solve for x
    x = 1,205,839,517.79/37,884.51
  6. Step 6: Final answer
    x = 31,829.36

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Similar ratio
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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.