Home / 31,297.01-43,189.58-16,956.51

Finding the Fourth Proportional to 31,297.01, 43,189.58 and 16,956.51

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Solution

The fourth proportional to 31,297.01, 43,189.58 and 16,956.51 is: 23,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.01 : 43,189.58 = 16,956.51 : x
  2. Step 2: Convert to fraction form
    31,297.01/43,189.58 = 16,956.51/x
  3. Step 3: Cross multiply
    31,297.01x = 43,189.58 × 16,956.51
  4. Step 4: Simplify right side
    31,297.01x = 732,344,545.17
  5. Step 5: Solve for x
    x = 732,344,545.17/31,297.01
  6. Step 6: Final answer
    x = 23,399.82

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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.