Home / 31,460.70-43,410.81-18,029.37

Finding the Fourth Proportional to 31,460.70, 43,410.81 and 18,029.37

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Solution

The fourth proportional to 31,460.70, 43,410.81 and 18,029.37 is: 24,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.70 : 43,410.81 = 18,029.37 : x
  2. Step 2: Convert to fraction form
    31,460.70/43,410.81 = 18,029.37/x
  3. Step 3: Cross multiply
    31,460.70x = 43,410.81 × 18,029.37
  4. Step 4: Simplify right side
    31,460.70x = 782,669,555.49
  5. Step 5: Solve for x
    x = 782,669,555.49/31,460.70
  6. Step 6: Final answer
    x = 24,877.69

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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.