Home / 39,543.21-54,628.90-25,963.47

Finding the Fourth Proportional to 39,543.21, 54,628.90 and 25,963.47

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Solution

The fourth proportional to 39,543.21, 54,628.90 and 25,963.47 is: 35,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,543.21 : 54,628.90 = 25,963.47 : x
  2. Step 2: Convert to fraction form
    39,543.21/54,628.90 = 25,963.47/x
  3. Step 3: Cross multiply
    39,543.21x = 54,628.90 × 25,963.47
  4. Step 4: Simplify right side
    39,543.21x = 1,418,355,741.37
  5. Step 5: Solve for x
    x = 1,418,355,741.37/39,543.21
  6. Step 6: Final answer
    x = 35,868.50

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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.