Home / 74,801.10-112,201.34-30,427.48

Finding the Fourth Proportional to 74,801.10, 112,201.34 and 30,427.48

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Solution

The fourth proportional to 74,801.10, 112,201.34 and 30,427.48 is: 45,641.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,801.10 : 112,201.34 = 30,427.48 : x
  2. Step 2: Convert to fraction form
    74,801.10/112,201.34 = 30,427.48/x
  3. Step 3: Cross multiply
    74,801.10x = 112,201.34 × 30,427.48
  4. Step 4: Simplify right side
    74,801.10x = 3,414,003,315.68
  5. Step 5: Solve for x
    x = 3,414,003,315.68/74,801.10
  6. Step 6: Final answer
    x = 45,641.09

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1.5x scale

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.