Home / 31,460.11-43,415.13-18,032.17

Finding the Fourth Proportional to 31,460.11, 43,415.13 and 18,032.17

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Solution

The fourth proportional to 31,460.11, 43,415.13 and 18,032.17 is: 24,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.11 : 43,415.13 = 18,032.17 : x
  2. Step 2: Convert to fraction form
    31,460.11/43,415.13 = 18,032.17/x
  3. Step 3: Cross multiply
    31,460.11x = 43,415.13 × 18,032.17
  4. Step 4: Simplify right side
    31,460.11x = 782,869,004.73
  5. Step 5: Solve for x
    x = 782,869,004.73/31,460.11
  6. Step 6: Final answer
    x = 24,884.50

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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.