Home / 31,837.40-43,923.68-19,732.35

Finding the Fourth Proportional to 31,837.40, 43,923.68 and 19,732.35

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Solution

The fourth proportional to 31,837.40, 43,923.68 and 19,732.35 is: 27,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.40 : 43,923.68 = 19,732.35 : x
  2. Step 2: Convert to fraction form
    31,837.40/43,923.68 = 19,732.35/x
  3. Step 3: Cross multiply
    31,837.40x = 43,923.68 × 19,732.35
  4. Step 4: Simplify right side
    31,837.40x = 866,717,427.05
  5. Step 5: Solve for x
    x = 866,717,427.05/31,837.40
  6. Step 6: Final answer
    x = 27,223.25

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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.