Home / 31,238.76-46,863.54-13,710.36

Finding the Fourth Proportional to 31,238.76, 46,863.54 and 13,710.36

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Solution

The fourth proportional to 31,238.76, 46,863.54 and 13,710.36 is: 20,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,238.76 : 46,863.54 = 13,710.36 : x
  2. Step 2: Convert to fraction form
    31,238.76/46,863.54 = 13,710.36/x
  3. Step 3: Cross multiply
    31,238.76x = 46,863.54 × 13,710.36
  4. Step 4: Simplify right side
    31,238.76x = 642,516,004.27
  5. Step 5: Solve for x
    x = 642,516,004.27/31,238.76
  6. Step 6: Final answer
    x = 20,567.91

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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.