Home / 31,783.30-43,861.62-17,637.06

Finding the Fourth Proportional to 31,783.30, 43,861.62 and 17,637.06

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Solution

The fourth proportional to 31,783.30, 43,861.62 and 17,637.06 is: 24,339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,783.30 : 43,861.62 = 17,637.06 : x
  2. Step 2: Convert to fraction form
    31,783.30/43,861.62 = 17,637.06/x
  3. Step 3: Cross multiply
    31,783.30x = 43,861.62 × 17,637.06
  4. Step 4: Simplify right side
    31,783.30x = 773,590,023.64
  5. Step 5: Solve for x
    x = 773,590,023.64/31,783.30
  6. Step 6: Final answer
    x = 24,339.51

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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.