Home / 39,827.84-54,960-23,057.60

Finding the Fourth Proportional to 39,827.84, 54,960 and 23,057.60

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Solution

The fourth proportional to 39,827.84, 54,960 and 23,057.60 is: 31,818.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,827.84 : 54,960 = 23,057.60 : x
  2. Step 2: Convert to fraction form
    39,827.84/54,960 = 23,057.60/x
  3. Step 3: Cross multiply
    39,827.84x = 54,960 × 23,057.60
  4. Step 4: Simplify right side
    39,827.84x = 1,267,245,696
  5. Step 5: Solve for x
    x = 1,267,245,696/39,827.84
  6. Step 6: Final answer
    x = 31,818.09

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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.