Home / 57,021.96-85,508.48-19,585.77

Finding the Fourth Proportional to 57,021.96, 85,508.48 and 19,585.77

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Solution

The fourth proportional to 57,021.96, 85,508.48 and 19,585.77 is: 29,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.96 : 85,508.48 = 19,585.77 : x
  2. Step 2: Convert to fraction form
    57,021.96/85,508.48 = 19,585.77/x
  3. Step 3: Cross multiply
    57,021.96x = 85,508.48 × 19,585.77
  4. Step 4: Simplify right side
    57,021.96x = 1,674,749,040.47
  5. Step 5: Solve for x
    x = 1,674,749,040.47/57,021.96
  6. Step 6: Final answer
    x = 29,370.25

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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.