Home / 54,421.80-81,632.70-23,317.80

Finding the Fourth Proportional to 54,421.80, 81,632.70 and 23,317.80

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Solution

The fourth proportional to 54,421.80, 81,632.70 and 23,317.80 is: 34,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,421.80 : 81,632.70 = 23,317.80 : x
  2. Step 2: Convert to fraction form
    54,421.80/81,632.70 = 23,317.80/x
  3. Step 3: Cross multiply
    54,421.80x = 81,632.70 × 23,317.80
  4. Step 4: Simplify right side
    54,421.80x = 1,903,494,972.06
  5. Step 5: Solve for x
    x = 1,903,494,972.06/54,421.80
  6. Step 6: Final answer
    x = 34,976.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.