Home / 38,905.50-53,686.52-22,986.96

Finding the Fourth Proportional to 38,905.50, 53,686.52 and 22,986.96

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Solution

The fourth proportional to 38,905.50, 53,686.52 and 22,986.96 is: 31,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,905.50 : 53,686.52 = 22,986.96 : x
  2. Step 2: Convert to fraction form
    38,905.50/53,686.52 = 22,986.96/x
  3. Step 3: Cross multiply
    38,905.50x = 53,686.52 × 22,986.96
  4. Step 4: Simplify right side
    38,905.50x = 1,234,089,887.78
  5. Step 5: Solve for x
    x = 1,234,089,887.78/38,905.50
  6. Step 6: Final answer
    x = 31,720.19

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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.