Home / 56,723.76-85,091.46-21,692.88

Finding the Fourth Proportional to 56,723.76, 85,091.46 and 21,692.88

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Solution

The fourth proportional to 56,723.76, 85,091.46 and 21,692.88 is: 32,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,723.76 : 85,091.46 = 21,692.88 : x
  2. Step 2: Convert to fraction form
    56,723.76/85,091.46 = 21,692.88/x
  3. Step 3: Cross multiply
    56,723.76x = 85,091.46 × 21,692.88
  4. Step 4: Simplify right side
    56,723.76x = 1,845,878,830.80
  5. Step 5: Solve for x
    x = 1,845,878,830.80/56,723.76
  6. Step 6: Final answer
    x = 32,541.55

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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.