Home / 56,918.30-85,387.35-23,620.10

Finding the Fourth Proportional to 56,918.30, 85,387.35 and 23,620.10

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Solution

The fourth proportional to 56,918.30, 85,387.35 and 23,620.10 is: 35,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918.30 : 85,387.35 = 23,620.10 : x
  2. Step 2: Convert to fraction form
    56,918.30/85,387.35 = 23,620.10/x
  3. Step 3: Cross multiply
    56,918.30x = 85,387.35 × 23,620.10
  4. Step 4: Simplify right side
    56,918.30x = 2,016,857,745.74
  5. Step 5: Solve for x
    x = 2,016,857,745.74/56,918.30
  6. Step 6: Final answer
    x = 35,434.26

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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.