Home / 56,421.87-84,610.92-30,112.26

Finding the Fourth Proportional to 56,421.87, 84,610.92 and 30,112.26

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Solution

The fourth proportional to 56,421.87, 84,610.92 and 30,112.26 is: 45,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,421.87 : 84,610.92 = 30,112.26 : x
  2. Step 2: Convert to fraction form
    56,421.87/84,610.92 = 30,112.26/x
  3. Step 3: Cross multiply
    56,421.87x = 84,610.92 × 30,112.26
  4. Step 4: Simplify right side
    56,421.87x = 2,547,826,021.88
  5. Step 5: Solve for x
    x = 2,547,826,021.88/56,421.87
  6. Step 6: Final answer
    x = 45,156.71

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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.