Home / 31,986.23-44,140.49-18,559.79

Finding the Fourth Proportional to 31,986.23, 44,140.49 and 18,559.79

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Solution

The fourth proportional to 31,986.23, 44,140.49 and 18,559.79 is: 25,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.23 : 44,140.49 = 18,559.79 : x
  2. Step 2: Convert to fraction form
    31,986.23/44,140.49 = 18,559.79/x
  3. Step 3: Cross multiply
    31,986.23x = 44,140.49 × 18,559.79
  4. Step 4: Simplify right side
    31,986.23x = 819,237,911.40
  5. Step 5: Solve for x
    x = 819,237,911.40/31,986.23
  6. Step 6: Final answer
    x = 25,612.21

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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.