Home / 57,135.24-85,699.62-15,579

Finding the Fourth Proportional to 57,135.24, 85,699.62 and 15,579

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Solution

The fourth proportional to 57,135.24, 85,699.62 and 15,579 is: 23,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,135.24 : 85,699.62 = 15,579 : x
  2. Step 2: Convert to fraction form
    57,135.24/85,699.62 = 15,579/x
  3. Step 3: Cross multiply
    57,135.24x = 85,699.62 × 15,579
  4. Step 4: Simplify right side
    57,135.24x = 1,335,114,379.98
  5. Step 5: Solve for x
    x = 1,335,114,379.98/57,135.24
  6. Step 6: Final answer
    x = 23,367.62

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1.5x scale

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.