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Finding the Fourth Proportional to 45,842.40, 68,765.04 and 16,259.76

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Solution

The fourth proportional to 45,842.40, 68,765.04 and 16,259.76 is: 24,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,842.40 : 68,765.04 = 16,259.76 : x
  2. Step 2: Convert to fraction form
    45,842.40/68,765.04 = 16,259.76/x
  3. Step 3: Cross multiply
    45,842.40x = 68,765.04 × 16,259.76
  4. Step 4: Simplify right side
    45,842.40x = 1,118,103,046.79
  5. Step 5: Solve for x
    x = 1,118,103,046.79/45,842.40
  6. Step 6: Final answer
    x = 24,390.15

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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.