Home / 40,692.71-56,152.30-22,783.90

Finding the Fourth Proportional to 40,692.71, 56,152.30 and 22,783.90

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Solution

The fourth proportional to 40,692.71, 56,152.30 and 22,783.90 is: 31,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,692.71 : 56,152.30 = 22,783.90 : x
  2. Step 2: Convert to fraction form
    40,692.71/56,152.30 = 22,783.90/x
  3. Step 3: Cross multiply
    40,692.71x = 56,152.30 × 22,783.90
  4. Step 4: Simplify right side
    40,692.71x = 1,279,368,387.97
  5. Step 5: Solve for x
    x = 1,279,368,387.97/40,692.71
  6. Step 6: Final answer
    x = 31,439.74

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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.