Home / 31,465.14-43,406.73-19,542.35

Finding the Fourth Proportional to 31,465.14, 43,406.73 and 19,542.35

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Solution

The fourth proportional to 31,465.14, 43,406.73 and 19,542.35 is: 26,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.14 : 43,406.73 = 19,542.35 : x
  2. Step 2: Convert to fraction form
    31,465.14/43,406.73 = 19,542.35/x
  3. Step 3: Cross multiply
    31,465.14x = 43,406.73 × 19,542.35
  4. Step 4: Simplify right side
    31,465.14x = 848,269,292.98
  5. Step 5: Solve for x
    x = 848,269,292.98/31,465.14
  6. Step 6: Final answer
    x = 26,959.02

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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.