Home / 31,814.70-43,904.19-17,667.51

Finding the Fourth Proportional to 31,814.70, 43,904.19 and 17,667.51

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Solution

The fourth proportional to 31,814.70, 43,904.19 and 17,667.51 is: 24,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.70 : 43,904.19 = 17,667.51 : x
  2. Step 2: Convert to fraction form
    31,814.70/43,904.19 = 17,667.51/x
  3. Step 3: Cross multiply
    31,814.70x = 43,904.19 × 17,667.51
  4. Step 4: Simplify right side
    31,814.70x = 775,677,715.87
  5. Step 5: Solve for x
    x = 775,677,715.87/31,814.70
  6. Step 6: Final answer
    x = 24,381.11

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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.