Home / 39,810.79-54,920.51-25,668.19

Finding the Fourth Proportional to 39,810.79, 54,920.51 and 25,668.19

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Solution

The fourth proportional to 39,810.79, 54,920.51 and 25,668.19 is: 35,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,810.79 : 54,920.51 = 25,668.19 : x
  2. Step 2: Convert to fraction form
    39,810.79/54,920.51 = 25,668.19/x
  3. Step 3: Cross multiply
    39,810.79x = 54,920.51 × 25,668.19
  4. Step 4: Simplify right side
    39,810.79x = 1,409,709,810.97
  5. Step 5: Solve for x
    x = 1,409,709,810.97/39,810.79
  6. Step 6: Final answer
    x = 35,410.25

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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.