Home / 74,877.96-112,333.14-22,291.68

Finding the Fourth Proportional to 74,877.96, 112,333.14 and 22,291.68

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Solution

The fourth proportional to 74,877.96, 112,333.14 and 22,291.68 is: 33,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,877.96 : 112,333.14 = 22,291.68 : x
  2. Step 2: Convert to fraction form
    74,877.96/112,333.14 = 22,291.68/x
  3. Step 3: Cross multiply
    74,877.96x = 112,333.14 × 22,291.68
  4. Step 4: Simplify right side
    74,877.96x = 2,504,094,410.28
  5. Step 5: Solve for x
    x = 2,504,094,410.28/74,877.96
  6. Step 6: Final answer
    x = 33,442.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.