Home / 31,605.72-43,614.75-18,176.16

Finding the Fourth Proportional to 31,605.72, 43,614.75 and 18,176.16

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Solution

The fourth proportional to 31,605.72, 43,614.75 and 18,176.16 is: 25,082.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605.72 : 43,614.75 = 18,176.16 : x
  2. Step 2: Convert to fraction form
    31,605.72/43,614.75 = 18,176.16/x
  3. Step 3: Cross multiply
    31,605.72x = 43,614.75 × 18,176.16
  4. Step 4: Simplify right side
    31,605.72x = 792,748,674.36
  5. Step 5: Solve for x
    x = 792,748,674.36/31,605.72
  6. Step 6: Final answer
    x = 25,082.44

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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.