Home / 57,157.18-85,712.30-17,162.19

Finding the Fourth Proportional to 57,157.18, 85,712.30 and 17,162.19

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Solution

The fourth proportional to 57,157.18, 85,712.30 and 17,162.19 is: 25,736.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,157.18 : 85,712.30 = 17,162.19 : x
  2. Step 2: Convert to fraction form
    57,157.18/85,712.30 = 17,162.19/x
  3. Step 3: Cross multiply
    57,157.18x = 85,712.30 × 17,162.19
  4. Step 4: Simplify right side
    57,157.18x = 1,471,010,563.69
  5. Step 5: Solve for x
    x = 1,471,010,563.69/57,157.18
  6. Step 6: Final answer
    x = 25,736.24

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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.