Home / 31,986.69-44,127.35-18,550.16

Finding the Fourth Proportional to 31,986.69, 44,127.35 and 18,550.16

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Solution

The fourth proportional to 31,986.69, 44,127.35 and 18,550.16 is: 25,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.69 : 44,127.35 = 18,550.16 : x
  2. Step 2: Convert to fraction form
    31,986.69/44,127.35 = 18,550.16/x
  3. Step 3: Cross multiply
    31,986.69x = 44,127.35 × 18,550.16
  4. Step 4: Simplify right side
    31,986.69x = 818,569,428.87
  5. Step 5: Solve for x
    x = 818,569,428.87/31,986.69
  6. Step 6: Final answer
    x = 25,590.94

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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.