Home / 49,427.20-74,313.60-48,390.40

Finding the Fourth Proportional to 49,427.20, 74,313.60 and 48,390.40

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Solution

The fourth proportional to 49,427.20, 74,313.60 and 48,390.40 is: 72,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,427.20 : 74,313.60 = 48,390.40 : x
  2. Step 2: Convert to fraction form
    49,427.20/74,313.60 = 48,390.40/x
  3. Step 3: Cross multiply
    49,427.20x = 74,313.60 × 48,390.40
  4. Step 4: Simplify right side
    49,427.20x = 3,596,064,829.44
  5. Step 5: Solve for x
    x = 3,596,064,829.44/49,427.20
  6. Step 6: Final answer
    x = 72,754.78

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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.