Home / 31,980.80-44,144.52-19,241.12

Finding the Fourth Proportional to 31,980.80, 44,144.52 and 19,241.12

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Solution

The fourth proportional to 31,980.80, 44,144.52 and 19,241.12 is: 26,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980.80 : 44,144.52 = 19,241.12 : x
  2. Step 2: Convert to fraction form
    31,980.80/44,144.52 = 19,241.12/x
  3. Step 3: Cross multiply
    31,980.80x = 44,144.52 × 19,241.12
  4. Step 4: Simplify right side
    31,980.80x = 849,390,006.66
  5. Step 5: Solve for x
    x = 849,390,006.66/31,980.80
  6. Step 6: Final answer
    x = 26,559.37

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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.