Home / 31,272.13-46,921.22-12,565.46

Finding the Fourth Proportional to 31,272.13, 46,921.22 and 12,565.46

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Solution

The fourth proportional to 31,272.13, 46,921.22 and 12,565.46 is: 18,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272.13 : 46,921.22 = 12,565.46 : x
  2. Step 2: Convert to fraction form
    31,272.13/46,921.22 = 12,565.46/x
  3. Step 3: Cross multiply
    31,272.13x = 46,921.22 × 12,565.46
  4. Step 4: Simplify right side
    31,272.13x = 589,586,713.06
  5. Step 5: Solve for x
    x = 589,586,713.06/31,272.13
  6. Step 6: Final answer
    x = 18,853.42

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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.