Home / 57,135.04-85,682.46-17,142.08

Finding the Fourth Proportional to 57,135.04, 85,682.46 and 17,142.08

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Solution

The fourth proportional to 57,135.04, 85,682.46 and 17,142.08 is: 25,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,135.04 : 85,682.46 = 17,142.08 : x
  2. Step 2: Convert to fraction form
    57,135.04/85,682.46 = 17,142.08/x
  3. Step 3: Cross multiply
    57,135.04x = 85,682.46 × 17,142.08
  4. Step 4: Simplify right side
    57,135.04x = 1,468,775,583.92
  5. Step 5: Solve for x
    x = 1,468,775,583.92/57,135.04
  6. Step 6: Final answer
    x = 25,707.09

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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.