Home / 31,537.12-47,305.44-13,069.12

Finding the Fourth Proportional to 31,537.12, 47,305.44 and 13,069.12

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Solution

The fourth proportional to 31,537.12, 47,305.44 and 13,069.12 is: 19,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.12 : 47,305.44 = 13,069.12 : x
  2. Step 2: Convert to fraction form
    31,537.12/47,305.44 = 13,069.12/x
  3. Step 3: Cross multiply
    31,537.12x = 47,305.44 × 13,069.12
  4. Step 4: Simplify right side
    31,537.12x = 618,240,472.01
  5. Step 5: Solve for x
    x = 618,240,472.01/31,537.12
  6. Step 6: Final answer
    x = 19,603.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.