Home / 31,785.39-43,863.26-17,637.93

Finding the Fourth Proportional to 31,785.39, 43,863.26 and 17,637.93

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Solution

The fourth proportional to 31,785.39, 43,863.26 and 17,637.93 is: 24,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,785.39 : 43,863.26 = 17,637.93 : x
  2. Step 2: Convert to fraction form
    31,785.39/43,863.26 = 17,637.93/x
  3. Step 3: Cross multiply
    31,785.39x = 43,863.26 × 17,637.93
  4. Step 4: Simplify right side
    31,785.39x = 773,657,021.26
  5. Step 5: Solve for x
    x = 773,657,021.26/31,785.39
  6. Step 6: Final answer
    x = 24,340.02

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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.