Home / 48,971.28-73,455.12-13,910.80

Finding the Fourth Proportional to 48,971.28, 73,455.12 and 13,910.80

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Solution

The fourth proportional to 48,971.28, 73,455.12 and 13,910.80 is: 20,865.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,971.28 : 73,455.12 = 13,910.80 : x
  2. Step 2: Convert to fraction form
    48,971.28/73,455.12 = 13,910.80/x
  3. Step 3: Cross multiply
    48,971.28x = 73,455.12 × 13,910.80
  4. Step 4: Simplify right side
    48,971.28x = 1,021,819,483.30
  5. Step 5: Solve for x
    x = 1,021,819,483.30/48,971.28
  6. Step 6: Final answer
    x = 20,865.69

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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.