Home / 56,891.48-85,347.23-19,442.75

Finding the Fourth Proportional to 56,891.48, 85,347.23 and 19,442.75

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Solution

The fourth proportional to 56,891.48, 85,347.23 and 19,442.75 is: 29,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,891.48 : 85,347.23 = 19,442.75 : x
  2. Step 2: Convert to fraction form
    56,891.48/85,347.23 = 19,442.75/x
  3. Step 3: Cross multiply
    56,891.48x = 85,347.23 × 19,442.75
  4. Step 4: Simplify right side
    56,891.48x = 1,659,384,332.13
  5. Step 5: Solve for x
    x = 1,659,384,332.13/56,891.48
  6. Step 6: Final answer
    x = 29,167.54

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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.