Home / 56,546.30-84,765.45-20,998.10

Finding the Fourth Proportional to 56,546.30, 84,765.45 and 20,998.10

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Solution

The fourth proportional to 56,546.30, 84,765.45 and 20,998.10 is: 31,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,546.30 : 84,765.45 = 20,998.10 : x
  2. Step 2: Convert to fraction form
    56,546.30/84,765.45 = 20,998.10/x
  3. Step 3: Cross multiply
    56,546.30x = 84,765.45 × 20,998.10
  4. Step 4: Simplify right side
    56,546.30x = 1,779,913,395.65
  5. Step 5: Solve for x
    x = 1,779,913,395.65/56,546.30
  6. Step 6: Final answer
    x = 31,477.10

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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.