Home / 31,302.99-43,197.91-17,155.53

Finding the Fourth Proportional to 31,302.99, 43,197.91 and 17,155.53

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Solution

The fourth proportional to 31,302.99, 43,197.91 and 17,155.53 is: 23,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302.99 : 43,197.91 = 17,155.53 : x
  2. Step 2: Convert to fraction form
    31,302.99/43,197.91 = 17,155.53/x
  3. Step 3: Cross multiply
    31,302.99x = 43,197.91 × 17,155.53
  4. Step 4: Simplify right side
    31,302.99x = 741,082,998.05
  5. Step 5: Solve for x
    x = 741,082,998.05/31,302.99
  6. Step 6: Final answer
    x = 23,674.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.