Home / 31,780.54-43,857.16-17,633.36

Finding the Fourth Proportional to 31,780.54, 43,857.16 and 17,633.36

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Solution

The fourth proportional to 31,780.54, 43,857.16 and 17,633.36 is: 24,334.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,780.54 : 43,857.16 = 17,633.36 : x
  2. Step 2: Convert to fraction form
    31,780.54/43,857.16 = 17,633.36/x
  3. Step 3: Cross multiply
    31,780.54x = 43,857.16 × 17,633.36
  4. Step 4: Simplify right side
    31,780.54x = 773,349,090.86
  5. Step 5: Solve for x
    x = 773,349,090.86/31,780.54
  6. Step 6: Final answer
    x = 24,334.05

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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.