Home / 31,814.06-43,905.38-17,667.01

Finding the Fourth Proportional to 31,814.06, 43,905.38 and 17,667.01

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Solution

The fourth proportional to 31,814.06, 43,905.38 and 17,667.01 is: 24,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.06 : 43,905.38 = 17,667.01 : x
  2. Step 2: Convert to fraction form
    31,814.06/43,905.38 = 17,667.01/x
  3. Step 3: Cross multiply
    31,814.06x = 43,905.38 × 17,667.01
  4. Step 4: Simplify right side
    31,814.06x = 775,676,787.51
  5. Step 5: Solve for x
    x = 775,676,787.51/31,814.06
  6. Step 6: Final answer
    x = 24,381.57

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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.