Home / 56,435.60-84,593.71-20,874.07

Finding the Fourth Proportional to 56,435.60, 84,593.71 and 20,874.07

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Solution

The fourth proportional to 56,435.60, 84,593.71 and 20,874.07 is: 31,289.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,435.60 : 84,593.71 = 20,874.07 : x
  2. Step 2: Convert to fraction form
    56,435.60/84,593.71 = 20,874.07/x
  3. Step 3: Cross multiply
    56,435.60x = 84,593.71 × 20,874.07
  4. Step 4: Simplify right side
    56,435.60x = 1,765,815,024.10
  5. Step 5: Solve for x
    x = 1,765,815,024.10/56,435.60
  6. Step 6: Final answer
    x = 31,289.03

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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.