Home / 38,642.50-53,327.19-22,509.39

Finding the Fourth Proportional to 38,642.50, 53,327.19 and 22,509.39

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Solution

The fourth proportional to 38,642.50, 53,327.19 and 22,509.39 is: 31,063.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,642.50 : 53,327.19 = 22,509.39 : x
  2. Step 2: Convert to fraction form
    38,642.50/53,327.19 = 22,509.39/x
  3. Step 3: Cross multiply
    38,642.50x = 53,327.19 × 22,509.39
  4. Step 4: Simplify right side
    38,642.50x = 1,200,362,517.31
  5. Step 5: Solve for x
    x = 1,200,362,517.31/38,642.50
  6. Step 6: Final answer
    x = 31,063.27

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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.