Home / 39,384.54-54,348.51-22,386.42

Finding the Fourth Proportional to 39,384.54, 54,348.51 and 22,386.42

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Solution

The fourth proportional to 39,384.54, 54,348.51 and 22,386.42 is: 30,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,384.54 : 54,348.51 = 22,386.42 : x
  2. Step 2: Convert to fraction form
    39,384.54/54,348.51 = 22,386.42/x
  3. Step 3: Cross multiply
    39,384.54x = 54,348.51 × 22,386.42
  4. Step 4: Simplify right side
    39,384.54x = 1,216,668,571.23
  5. Step 5: Solve for x
    x = 1,216,668,571.23/39,384.54
  6. Step 6: Final answer
    x = 30,892.03

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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.