Home / 31,693.84-43,742.12-18,262.52

Finding the Fourth Proportional to 31,693.84, 43,742.12 and 18,262.52

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Solution

The fourth proportional to 31,693.84, 43,742.12 and 18,262.52 is: 25,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,693.84 : 43,742.12 = 18,262.52 : x
  2. Step 2: Convert to fraction form
    31,693.84/43,742.12 = 18,262.52/x
  3. Step 3: Cross multiply
    31,693.84x = 43,742.12 × 18,262.52
  4. Step 4: Simplify right side
    31,693.84x = 798,841,341.34
  5. Step 5: Solve for x
    x = 798,841,341.34/31,693.84
  6. Step 6: Final answer
    x = 25,204.94

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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.