Home / 31,760.60-43,832.30-17,618

Finding the Fourth Proportional to 31,760.60, 43,832.30 and 17,618

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Solution

The fourth proportional to 31,760.60, 43,832.30 and 17,618 is: 24,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,760.60 : 43,832.30 = 17,618 : x
  2. Step 2: Convert to fraction form
    31,760.60/43,832.30 = 17,618/x
  3. Step 3: Cross multiply
    31,760.60x = 43,832.30 × 17,618
  4. Step 4: Simplify right side
    31,760.60x = 772,237,461.40
  5. Step 5: Solve for x
    x = 772,237,461.40/31,760.60
  6. Step 6: Final answer
    x = 24,314.32

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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.