Home / 39,856.52-54,603.67-38,361.80

Finding the Fourth Proportional to 39,856.52, 54,603.67 and 38,361.80

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Solution

The fourth proportional to 39,856.52, 54,603.67 and 38,361.80 is: 52,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856.52 : 54,603.67 = 38,361.80 : x
  2. Step 2: Convert to fraction form
    39,856.52/54,603.67 = 38,361.80/x
  3. Step 3: Cross multiply
    39,856.52x = 54,603.67 × 38,361.80
  4. Step 4: Simplify right side
    39,856.52x = 2,094,695,067.81
  5. Step 5: Solve for x
    x = 2,094,695,067.81/39,856.52
  6. Step 6: Final answer
    x = 52,555.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.