Home / 47,427.96-65,481.12-30,439.52

Finding the Fourth Proportional to 47,427.96, 65,481.12 and 30,439.52

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Solution

The fourth proportional to 47,427.96, 65,481.12 and 30,439.52 is: 42,026.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,427.96 : 65,481.12 = 30,439.52 : x
  2. Step 2: Convert to fraction form
    47,427.96/65,481.12 = 30,439.52/x
  3. Step 3: Cross multiply
    47,427.96x = 65,481.12 × 30,439.52
  4. Step 4: Simplify right side
    47,427.96x = 1,993,213,861.86
  5. Step 5: Solve for x
    x = 1,993,213,861.86/47,427.96
  6. Step 6: Final answer
    x = 42,026.14

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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.