Home / 39,141.50-54,015.27-22,374.86

Finding the Fourth Proportional to 39,141.50, 54,015.27 and 22,374.86

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Solution

The fourth proportional to 39,141.50, 54,015.27 and 22,374.86 is: 30,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,141.50 : 54,015.27 = 22,374.86 : x
  2. Step 2: Convert to fraction form
    39,141.50/54,015.27 = 22,374.86/x
  3. Step 3: Cross multiply
    39,141.50x = 54,015.27 × 22,374.86
  4. Step 4: Simplify right side
    39,141.50x = 1,208,584,104.11
  5. Step 5: Solve for x
    x = 1,208,584,104.11/39,141.50
  6. Step 6: Final answer
    x = 30,877.31

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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.