Home / 31,817.04-43,911.72-19,239.36

Finding the Fourth Proportional to 31,817.04, 43,911.72 and 19,239.36

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Solution

The fourth proportional to 31,817.04, 43,911.72 and 19,239.36 is: 26,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,817.04 : 43,911.72 = 19,239.36 : x
  2. Step 2: Convert to fraction form
    31,817.04/43,911.72 = 19,239.36/x
  3. Step 3: Cross multiply
    31,817.04x = 43,911.72 × 19,239.36
  4. Step 4: Simplify right side
    31,817.04x = 844,833,389.30
  5. Step 5: Solve for x
    x = 844,833,389.30/31,817.04
  6. Step 6: Final answer
    x = 26,552.86

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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.