Home / 39,898.73-54,661.03-38,403.07

Finding the Fourth Proportional to 39,898.73, 54,661.03 and 38,403.07

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Solution

The fourth proportional to 39,898.73, 54,661.03 and 38,403.07 is: 52,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,898.73 : 54,661.03 = 38,403.07 : x
  2. Step 2: Convert to fraction form
    39,898.73/54,661.03 = 38,403.07/x
  3. Step 3: Cross multiply
    39,898.73x = 54,661.03 × 38,403.07
  4. Step 4: Simplify right side
    39,898.73x = 2,099,151,128.70
  5. Step 5: Solve for x
    x = 2,099,151,128.70/39,898.73
  6. Step 6: Final answer
    x = 52,611.98

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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.