Home / 31,980.54-44,133.46-18,555.06

Finding the Fourth Proportional to 31,980.54, 44,133.46 and 18,555.06

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Solution

The fourth proportional to 31,980.54, 44,133.46 and 18,555.06 is: 25,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980.54 : 44,133.46 = 18,555.06 : x
  2. Step 2: Convert to fraction form
    31,980.54/44,133.46 = 18,555.06/x
  3. Step 3: Cross multiply
    31,980.54x = 44,133.46 × 18,555.06
  4. Step 4: Simplify right side
    31,980.54x = 818,898,998.31
  5. Step 5: Solve for x
    x = 818,898,998.31/31,980.54
  6. Step 6: Final answer
    x = 25,606.17

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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.