Home / 39,387.06-54,354.65-23,480.69

Finding the Fourth Proportional to 39,387.06, 54,354.65 and 23,480.69

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Solution

The fourth proportional to 39,387.06, 54,354.65 and 23,480.69 is: 32,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,387.06 : 54,354.65 = 23,480.69 : x
  2. Step 2: Convert to fraction form
    39,387.06/54,354.65 = 23,480.69/x
  3. Step 3: Cross multiply
    39,387.06x = 54,354.65 × 23,480.69
  4. Step 4: Simplify right side
    39,387.06x = 1,276,284,297.53
  5. Step 5: Solve for x
    x = 1,276,284,297.53/39,387.06
  6. Step 6: Final answer
    x = 32,403.64

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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.