Home / 38,555.21-53,200.55-22,644.79

Finding the Fourth Proportional to 38,555.21, 53,200.55 and 22,644.79

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Solution

The fourth proportional to 38,555.21, 53,200.55 and 22,644.79 is: 31,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,555.21 : 53,200.55 = 22,644.79 : x
  2. Step 2: Convert to fraction form
    38,555.21/53,200.55 = 22,644.79/x
  3. Step 3: Cross multiply
    38,555.21x = 53,200.55 × 22,644.79
  4. Step 4: Simplify right side
    38,555.21x = 1,204,715,206.25
  5. Step 5: Solve for x
    x = 1,204,715,206.25/38,555.21
  6. Step 6: Final answer
    x = 31,246.49

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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.