Home / 74,443.42-111,602.36-32,291.78

Finding the Fourth Proportional to 74,443.42, 111,602.36 and 32,291.78

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Solution

The fourth proportional to 74,443.42, 111,602.36 and 32,291.78 is: 48,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,443.42 : 111,602.36 = 32,291.78 : x
  2. Step 2: Convert to fraction form
    74,443.42/111,602.36 = 32,291.78/x
  3. Step 3: Cross multiply
    74,443.42x = 111,602.36 × 32,291.78
  4. Step 4: Simplify right side
    74,443.42x = 3,603,838,856.60
  5. Step 5: Solve for x
    x = 3,603,838,856.60/74,443.42
  6. Step 6: Final answer
    x = 48,410.44

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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.