Home / 31,653.96-43,681.24-17,507.04

Finding the Fourth Proportional to 31,653.96, 43,681.24 and 17,507.04

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Solution

The fourth proportional to 31,653.96, 43,681.24 and 17,507.04 is: 24,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653.96 : 43,681.24 = 17,507.04 : x
  2. Step 2: Convert to fraction form
    31,653.96/43,681.24 = 17,507.04/x
  3. Step 3: Cross multiply
    31,653.96x = 43,681.24 × 17,507.04
  4. Step 4: Simplify right side
    31,653.96x = 764,729,215.93
  5. Step 5: Solve for x
    x = 764,729,215.93/31,653.96
  6. Step 6: Final answer
    x = 24,159.04

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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.