Home / 56,752.86-85,181.76-28,692.66

Finding the Fourth Proportional to 56,752.86, 85,181.76 and 28,692.66

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Solution

The fourth proportional to 56,752.86, 85,181.76 and 28,692.66 is: 43,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,752.86 : 85,181.76 = 28,692.66 : x
  2. Step 2: Convert to fraction form
    56,752.86/85,181.76 = 28,692.66/x
  3. Step 3: Cross multiply
    56,752.86x = 85,181.76 × 28,692.66
  4. Step 4: Simplify right side
    56,752.86x = 2,444,091,277.88
  5. Step 5: Solve for x
    x = 2,444,091,277.88/56,752.86
  6. Step 6: Final answer
    x = 43,065.52

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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.