Home / 31,562.66-43,555.01-18,124.46

Finding the Fourth Proportional to 31,562.66, 43,555.01 and 18,124.46

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Solution

The fourth proportional to 31,562.66, 43,555.01 and 18,124.46 is: 25,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,562.66 : 43,555.01 = 18,124.46 : x
  2. Step 2: Convert to fraction form
    31,562.66/43,555.01 = 18,124.46/x
  3. Step 3: Cross multiply
    31,562.66x = 43,555.01 × 18,124.46
  4. Step 4: Simplify right side
    31,562.66x = 789,410,728.15
  5. Step 5: Solve for x
    x = 789,410,728.15/31,562.66
  6. Step 6: Final answer
    x = 25,010.91

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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.