Home / 31,713.96-43,746.66-19,619.16

Finding the Fourth Proportional to 31,713.96, 43,746.66 and 19,619.16

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Solution

The fourth proportional to 31,713.96, 43,746.66 and 19,619.16 is: 27,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,713.96 : 43,746.66 = 19,619.16 : x
  2. Step 2: Convert to fraction form
    31,713.96/43,746.66 = 19,619.16/x
  3. Step 3: Cross multiply
    31,713.96x = 43,746.66 × 19,619.16
  4. Step 4: Simplify right side
    31,713.96x = 858,272,722.01
  5. Step 5: Solve for x
    x = 858,272,722.01/31,713.96
  6. Step 6: Final answer
    x = 27,062.93

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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.