Home / 39,478.97-54,455.51-23,551.13

Finding the Fourth Proportional to 39,478.97, 54,455.51 and 23,551.13

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Solution

The fourth proportional to 39,478.97, 54,455.51 and 23,551.13 is: 32,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,478.97 : 54,455.51 = 23,551.13 : x
  2. Step 2: Convert to fraction form
    39,478.97/54,455.51 = 23,551.13/x
  3. Step 3: Cross multiply
    39,478.97x = 54,455.51 × 23,551.13
  4. Step 4: Simplify right side
    39,478.97x = 1,282,488,581.83
  5. Step 5: Solve for x
    x = 1,282,488,581.83/39,478.97
  6. Step 6: Final answer
    x = 32,485.36

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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.