Home / 31,296.79-43,189.27-16,956.30

Finding the Fourth Proportional to 31,296.79, 43,189.27 and 16,956.30

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Solution

The fourth proportional to 31,296.79, 43,189.27 and 16,956.30 is: 23,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,296.79 : 43,189.27 = 16,956.30 : x
  2. Step 2: Convert to fraction form
    31,296.79/43,189.27 = 16,956.30/x
  3. Step 3: Cross multiply
    31,296.79x = 43,189.27 × 16,956.30
  4. Step 4: Simplify right side
    31,296.79x = 732,330,176.51
  5. Step 5: Solve for x
    x = 732,330,176.51/31,296.79
  6. Step 6: Final answer
    x = 23,399.53

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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.