Home / 38,481.78-53,106.12-22,347.84

Finding the Fourth Proportional to 38,481.78, 53,106.12 and 22,347.84

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Solution

The fourth proportional to 38,481.78, 53,106.12 and 22,347.84 is: 30,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.78 : 53,106.12 = 22,347.84 : x
  2. Step 2: Convert to fraction form
    38,481.78/53,106.12 = 22,347.84/x
  3. Step 3: Cross multiply
    38,481.78x = 53,106.12 × 22,347.84
  4. Step 4: Simplify right side
    38,481.78x = 1,186,807,072.78
  5. Step 5: Solve for x
    x = 1,186,807,072.78/38,481.78
  6. Step 6: Final answer
    x = 30,840.75

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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.