Home / 31,436.40-43,371.44-19,495.44

Finding the Fourth Proportional to 31,436.40, 43,371.44 and 19,495.44

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Solution

The fourth proportional to 31,436.40, 43,371.44 and 19,495.44 is: 26,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,436.40 : 43,371.44 = 19,495.44 : x
  2. Step 2: Convert to fraction form
    31,436.40/43,371.44 = 19,495.44/x
  3. Step 3: Cross multiply
    31,436.40x = 43,371.44 × 19,495.44
  4. Step 4: Simplify right side
    31,436.40x = 845,545,306.23
  5. Step 5: Solve for x
    x = 845,545,306.23/31,436.40
  6. Step 6: Final answer
    x = 26,897.01

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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.