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Finding the Fourth Proportional to 48,941.84, 73,406.49 and 15,659.12

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Solution

The fourth proportional to 48,941.84, 73,406.49 and 15,659.12 is: 23,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,941.84 : 73,406.49 = 15,659.12 : x
  2. Step 2: Convert to fraction form
    48,941.84/73,406.49 = 15,659.12/x
  3. Step 3: Cross multiply
    48,941.84x = 73,406.49 × 15,659.12
  4. Step 4: Simplify right side
    48,941.84x = 1,149,480,668.66
  5. Step 5: Solve for x
    x = 1,149,480,668.66/48,941.84
  6. Step 6: Final answer
    x = 23,486.67

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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.