Home / 38,281.01-52,830.83-21,286.80

Finding the Fourth Proportional to 38,281.01, 52,830.83 and 21,286.80

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Solution

The fourth proportional to 38,281.01, 52,830.83 and 21,286.80 is: 29,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.01 : 52,830.83 = 21,286.80 : x
  2. Step 2: Convert to fraction form
    38,281.01/52,830.83 = 21,286.80/x
  3. Step 3: Cross multiply
    38,281.01x = 52,830.83 × 21,286.80
  4. Step 4: Simplify right side
    38,281.01x = 1,124,599,365.26
  5. Step 5: Solve for x
    x = 1,124,599,365.26/38,281.01
  6. Step 6: Final answer
    x = 29,377.48

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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.