Home / 56,739.11-85,161.22-28,679.00

Finding the Fourth Proportional to 56,739.11, 85,161.22 and 28,679.00

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Solution

The fourth proportional to 56,739.11, 85,161.22 and 28,679.00 is: 43,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,739.11 : 85,161.22 = 28,679.00 : x
  2. Step 2: Convert to fraction form
    56,739.11/85,161.22 = 28,679.00/x
  3. Step 3: Cross multiply
    56,739.11x = 85,161.22 × 28,679.00
  4. Step 4: Simplify right side
    56,739.11x = 2,442,338,130.88
  5. Step 5: Solve for x
    x = 2,442,338,130.88/56,739.11
  6. Step 6: Final answer
    x = 43,045.06

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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.