Home / 30,440.08-42,027.12-27,247.84

Finding the Fourth Proportional to 30,440.08, 42,027.12 and 27,247.84

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Solution

The fourth proportional to 30,440.08, 42,027.12 and 27,247.84 is: 37,619.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,440.08 : 42,027.12 = 27,247.84 : x
  2. Step 2: Convert to fraction form
    30,440.08/42,027.12 = 27,247.84/x
  3. Step 3: Cross multiply
    30,440.08x = 42,027.12 × 27,247.84
  4. Step 4: Simplify right side
    30,440.08x = 1,145,148,241.42
  5. Step 5: Solve for x
    x = 1,145,148,241.42/30,440.08
  6. Step 6: Final answer
    x = 37,619.75

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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.