Home / 57,015.90-85,525.61-19,575.47

Finding the Fourth Proportional to 57,015.90, 85,525.61 and 19,575.47

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Solution

The fourth proportional to 57,015.90, 85,525.61 and 19,575.47 is: 29,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,015.90 : 85,525.61 = 19,575.47 : x
  2. Step 2: Convert to fraction form
    57,015.90/85,525.61 = 19,575.47/x
  3. Step 3: Cross multiply
    57,015.90x = 85,525.61 × 19,575.47
  4. Step 4: Simplify right side
    57,015.90x = 1,674,204,128.72
  5. Step 5: Solve for x
    x = 1,674,204,128.72/57,015.90
  6. Step 6: Final answer
    x = 29,363.81

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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.